All categories

2 years ago

I need to find the answer for "x" 2x + 3(5x - 7) =47

Mathematics

1 answer:

nordsb [41]2 years ago

4 0

Answer:

The answer would be x=4.

Step-by-step explanation: Step 1: Simplify both sides of the equation.

2x+3(5x−7)=47

2x+(3)(5x)+(3)(−7)=47(Distribute)

2x+15x+−21=47

(2x+15x)+(−21)=47(Combine Like Terms)

17x+−21=47

17x−21=47

Step 2: Add 21 to both sides.

17x−21+21=47+21

17x=68

Step 3: Divide both sides by 17.

17x/17=68

17x=68

x=4

You might be interested in

What is the sum of the measures of <A and <B?

Tju [1.3M]

Answer:

145

Step-by-step explanation:

Because that angle(C) is sum of the A & B. ✌️

3 0

3 years ago

Read 2 more answers

HELP NEEDED!!! WILL MARK BRAINLIEST!!!

erma4kov [3.2K]

Answer:

$x(x + 1)$

Step-by-step explanation:

$\frac{2x + 1}{ \frac{1}{x} + \frac{1}{x + 1} }$

Make denominators same:

$\frac{2x + 1}{ \frac{x + 1}{x(x + 1)} + \frac{x}{(x + 1)} }$

Add the numerators:

$\frac{2x + 1}{ \frac{x + 1 + x}{x(x + 1)} }$

$\frac{2x + 1}{\frac{2x + 1}{x(x + 1)} }$

Apply the rule:

$\frac{a}{ \frac{b}{c} } = \frac{a \times c}{b}$

Therefore,

$\frac{(2x + 1)\times x(x + 1))}{2x + 1}$

Cancel out common factor of 2x+1:

$x(x + 1)$

6 0

3 years ago

Write the equation of a line that is parallel to y = 1/2x - 4 and that passes through the point (9, -6)

timofeeve [1]

//To have the lines parallel, the gradients must be the same.

y -- 6 = 1/2 (x - 9)
y + 6 = 1/2 x -9/2
y = 1/2 x - 10.5

7 0

3 years ago

What is the percentage decrease if an item has dropped from $115 to $46

Sav [38]

Answer: 60% decrease

Step-by-step explanation:

Look at the attachment

4 0

3 years ago

Find the product and fill the blanks to write in standard complex number form. x^2+2x+10=0

iren2701 [21]

Answer:

Have you tried the quadratic formula? you can look up the quadratic equation and plug in the, a=1 b=2 and c=10

Step-by-step explanation:

3 0

2 years ago