Answer:
x=8
Step-by-step explanation:
7x-3=7x+5
Subtract 7 on both sides
x-3=5
Add 3 on both sides
0=8
B is the answer 12x^3 - 6x^2 +6x +8
144 cubic units
whats the q or am i blind
I think it is the line D as a thought
