Answer:
<h2>-40</h2>
Step-by-step explanation:

-(9x+12)=-8x-(x+3)
-9x-12= -8x-x-3
-9x+9x=9
-9
if u look at the eq for x it has no value. but if u r asking a solution for a eq then it is -9
I think this attachment will help you
Y = 2 + 3x
x + y = 26
Substitute:
x + (2 + 3x) = 26
4x + 2 = 26
4x = 24
x = 6
6 + y = 26
y = 20
C. is equal to 3/8 they both equal .375