For r(x)= 3/4x - 4, find the value of x for which r(x) = -7

asked May 27, 2021 161k views

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7 votes

-7 = 3/4x - 4
-7 + 4 = 3/4x - 4 + 4
-3 = 3/4x
-3(4) = 3/4(4)x
-12 = 3x
-12/3 = 3x/3
-4 = x

Tazz answered May 30, 2021

by Tazz

4.9k points

4 votes

Answer:

Explanation:

3/4x - 4 = -7

3/4x = -3

3x = -12

x = -4

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