12
-4
-8
Those should be the answers
The sum of the interior angles is 180°
Answer:
I think it is D but I am not 100% sure
Step-by-step explanation:
Lets use substitution
y=7x-10
y=-3
so
-3=7x-10
7=7x
1=x
now lets check
y=7(1)-10
y=-3
therefore both equations have the same value