Question

For g(x) = x - 2 find the value of x for which g(x) = -4.

Answer 1

x = -2

Explanation:

g(x) = -4

g(x) = x - 2

-4 = x - 2

+2 +2

-2 = -x

Answer 2

x=-2

Explanation:

g(x) = x-2

Let g(x) = -4

-4 =x-2

Add 2 to each side

-4+2 = x-2+2

-2 = x