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Marat540 [252]
2 years ago
12

3=2xSolve this equation.Then verify IT.​

Mathematics
2 answers:
m_a_m_a [10]2 years ago
6 0

Answer:

Refer To the attachment .

schepotkina [342]2 years ago
3 0

\huge \bf \: Question  :

3 = 2x

This is an equation. We need to find the value of X and verify it.

\huge \bf \: Solution :

<u>Let's find out the value of X :-</u>

\sf \implies \: 3 = 2x

Firstly, over turn the equation :-

\sf \implies2x = 3

<u>Then, Divide both </u><u>sides </u><u>of </u><u>this</u><u> </u><u>equation</u><u> by 2 :-</u>

\sf \implies \:  \dfrac{2x}{2}  = \dfrac{3}{2}

Cancel 2/2 on this equation and Leave x :-

3/2 can't be cancelled.

\sf \implies \:  \dfrac{ \cancel2x}{ \cancel2}  =  \dfrac{3}{2}

\sf \implies \: x =  \dfrac{3}{2}

Hence the value of x is 3/2.

________________________________

\bf \huge \: Verification :

<u>Put the value of x </u><u>o</u><u>n this equation :-</u>

\sf \implies \: 3 = 2x

<u>On Putting 3/2 instead of x :-</u>

As we know that x is multiplied with 2 so,

\sf \implies \:  3 = 2 \times  \dfrac{3}{2}

<u>Simplify this equation(Cancel 2 and 2) :-</u>

\sf \implies \: 3 =  \cancel2 \times  \dfrac{3}{ \cancel2}

\sf \implies \: 3 = 3

\sf \implies \bf \: L HS = RHS

\boxed {\bf\huge Hence, verified.}

______________________________________

I hope this helps!

Please let me know if you have any questions.

~MisterBrian

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3/4x=-18 what is the answer?
Afina-wow [57]

Answer:

X= 24

Step-by-step explanation:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

                    3/4*x-(18)=0

Step by step solution :

Step  1  :

           3

Simplify   —

           4

Equation at the end of step  1  :

  3        

 (— • x) -  18  = 0

  4        

Step  2  :

Rewriting the whole as an Equivalent Fraction :

2.1   Subtracting a whole from a fraction

Rewrite the whole as a fraction using  4  as the denominator :

         18     18 • 4

   18 =  ——  =  ——————

         1        4  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

3x - (18 • 4)     3x - 72

—————————————  =  ———————

      4              4  

Step  3  :

Pulling out like terms :

3.1     Pull out like factors :

  3x - 72  =   3 • (x - 24)

Equation at the end of step  3  :

 3 • (x - 24)

 ————————————  = 0

      4      

Step  4  :

When a fraction equals zero :

4.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

 3•(x-24)

 ———————— • 4 = 0 • 4

    4    

Now, on the left hand side, the  4  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

  3  •  (x-24)  = 0

Equations which are never true :

4.2      Solve :    3   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation :

4.3      Solve  :    x-24 = 0

Add  24  to both sides of the equation :

                     x = 24

One solution was found :

                  x = 24

6 0
3 years ago
What’s the answer to this important problem it is very idk
White raven [17]
1) 4/(1/5)

=4 ÷ 1/5
to divide fractions, multiply by the reciprocal/inverse of 1/5

=4 * 5/1
=20


4) (7/9)/7

=7/9 ÷ 7
to divide fractions, multiply by the reciprocal/inverse of 7

=7/9 * 1/7
multiply numerators; multiply denominators

=(7*1)/(9*7)
=7/63
simplify by 7
=1/9


7) (9/10)/6

= 9/10 ÷ 6
to divide fractions, multiply by the reciprocal/inverse of 6

= 9/10 * 1/6
multiply numerators; multiply denominators

= (9*1)/(10*6)
= 9/60
simplify by 3
= 3/20


ANSWER: 1) 20; 4) 1/9; 7) 3/20

Hope this helps! :)
3 0
3 years ago
A store sold 70 copies of a magazine for $350. Each copy of the magazine costs the same. Which equation and set of ordered pairs
Ainat [17]
The answer is C. 5x

We need to find the price of one magazine. To do this we divide 350 by 70

350 / 70 = $5 per magazine

8 0
3 years ago
Read 2 more answers
How many quarters make a whole​
Eduardwww [97]

Answer:

4

Step-by-step explanation:

4×(1/4) = 1

⁄(⁄ ⁄•⁄ω⁄•⁄ ⁄)⁄

3 0
2 years ago
3x-8=3(x-4)+1 plz plz help me fast is it infinite or no or one solution
Gemiola [76]

Answer:

no solution

Step-by-step explanation:

solve the equation

3x - 8 = 3(x-4) + 1    

3x - 8 = 3x - 11

3x + 3 = 3x

x + 3 = x

A number x plus 3 cannot equal a number x.        

5 0
2 years ago
Read 2 more answers
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