Question

Let w(x) = 3x - 7. If w(x) = 8, find x.​

Answer 1

x=5

Explanation:

3×5=15 and 15-7=8

just did the question on a calculator

Answer 2

All we need to do is substitute and simplify.

w(8) = 3(8) - 7

w(8) = 24 - 7

w(8) = 17

Best of Luck!