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goldfiish [28.3K]
1 year ago
5

4 minus (2X -3) = 3 what is x

Mathematics
1 answer:
ziro4ka [17]1 year ago
6 0

Given the following equation:

4-(2x-3)=3

You can solve for "x" by following these steps:

1. You must distribute the negative sign of the left side of the equation:

4-2x+3=3

2. Now you need to add the like terms of the left side of the equation:

7-2x=3

3. Apply the Subtraction property of equality by subtracting 7 from both sides of the equation:

\begin{gathered} 7-2x-(7)=3-(7) \\ -2x=-4 \end{gathered}

4. Finally, you can apply the Division property of equality by dividing both sides of the equation by -2:

\begin{gathered} \frac{-2x}{-2}=\frac{-4}{-2} \\  \\ x=2 \end{gathered}

The answer is:

x=2

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Expand and simplify (4+×)(5+×)​
Minchanka [31]
For this, we use the FOIL method of expanding brackets; start by multiplying the FIRST terms of each bracket together to get xx=x^2. Next multiply the OUTSIDE elements, ie the first element in the first bracket and the last in the second, giving x(-5)=-5x. Then comes the INSIDE elements, giving 4x=4x, and finaly the LAST elements of each bracket, giving 4(-5)=-20. Adding all these terms together gives us our answer; x^2+4x-5x-20, which can be simplified to x^2-x-20.
Hope this helps!
8 0
3 years ago
AB is tangent to the circle at B. <A=14. Arc BC = 112.
goldenfox [79]
So hmm check the picture below

a circle has a total of 360°, thus arcBC + x + arcCD is 360, so arcCD is just 360 - 112 - x, whatever "x" was that you found

3 0
3 years ago
How do I find the slope of the line containing the two points (9,0) and (-5,6)
deff fn [24]
  • Slope Formula: \frac{y_2-y_1}{x_2-x_1}

So using the slope formula, plug in the two points and solve for it as such:

\frac{0-6}{9-(-5)}=-\frac{6}{14}\div \frac{2}{2}=-\frac{3}{7}

<u>The slope is -3/7.</u>

7 0
4 years ago
It is believed that students who begin studying for final exams a week before the test score differently than students who wait
olga55 [171]

Answer:

H0 : μ1 = μ2

H0 : μ1 < μ2

Step-by-step explanation:

Given :

Early studiers, group 1, mean μ1

Late studiers, group 2 ; mean, μ2

To test the claim that students who study earlier have an average score that is less than the average score for students

The null hypothesis ; there is no difference in average score

H0 : μ1 = μ2

Alternative hypothesis is early studiers means is less than average score of late studiers

H0 : μ1 < μ2

7 0
4 years ago
Help with my math please!!!
madam [21]

Answer:

x-12≤7

x≤19

Step-by-step explanation:

less than means it comes after

x-12

is at most means less than or equal to

x-12≤7

Add 12 to each side

x-12+12≤7+12

x≤19

7 0
3 years ago
Read 2 more answers
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