Question

F(x) = x-7
What is the value of x when f(x) = 3? Enter the answer in the box.

Answer 1

10

Explanation:

Answer 2

10 =x

Explanation:

f(x) = x-7

Let f(x) = 3

3 = x-7

Add 7 to each side

3+7 = x-7+7

10 =x