Question

Sandra was told to find X where g(x)=7
g(x)=-2x-12
Her first step was to substitute 7 in for X. Why is that incorrect?

Answer 1

Step-by-step explanation:

i think its as

g(x)=2x-12

7=2x-12

7+12=2x

19=2x

x=19

2

i hope so,