Question

If f(x) = 3x + 12, find the value of x so that f(x) = 36.

Answer 1

The answer should be 8

Answer 2

The answer is 8 .

Explanation:

f(x)=36

36=3x+12

36-12 and 12 -12

36-12=24

24 divided by the 3 that left in the equation equals 8 .

36=3x+12

-12 -12

24=3x

divided 24 by 3 and get 8