4. Find the value of x in the equation 9 − 4x = 57. A. 16.5 B. −16.5 C. −12 D. 12

asked Feb 20, 2020 175k views

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Answer:

C. −12

Explanation:

9 − 4x = 57

Subtract 9 from each side

9-9-4x= 57-9

-4x = 48

Divide by -4 on each side

-4x/-4 = 48/-4

x = -12

Kiryl answered Feb 23, 2020

by Kiryl

4.8k points

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