Answer:
Step-by-step explanation:
3.5y - 12 = 1.5y - 3
2y -12 = -3
2y = 9
y = 4.5
the answer is a. one solution
First answer is A(true), second one is B(false), and the last one is A (xx).
The variable a cannot be zero because that would make -9a = zero and 8 divided by zero is indeterminate.