Kimb9106 Kimb9106

07-09-2021
Mathematics

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Suppose x = 7 is a solution to the equation 4x − 2(x + a) = 8. Find the value of a that makes the equation true.Group of answer choices62-253

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goddessboi goddessboi

07-09-2021

Answer:

a=3 if x=7 makes the equation true

Step-by-step explanation:

4x - 2(x+a) = 8

4(7) - 2(7+a) = 8

28 - 2(7+a) = 8

-2(7+a) = -20

7+a = 10

a = 3

Therefore, a=3 if x=7.

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