2 years late. Here is the answer for people in the future. It is D. g(x)=x-6
8x+15=7
In the statement the phrase the sum of can tell you that it is going to be an addition problem. So 8x ( eight times a number) would be added to the 15, 8x+15. Since its an addition problem the part where it says ' ... is seven', you know that it will all equal 7. So the answer would be 8x+15=7.
Answer:
EEE I KNOW. Its C
Step-by-step explanation:
(Im not guessing i actually solved these its C)
So basically you need to go up and then along