Answer:
Choice C is correct.
Step-by-step explanation:
We have given an equation :
-5(a+3)=-55
We have to solve it for a.
-5(a+3)= -55
-5a-15= -55
Adding 15 on both sides of equation we get,
-5a = -55+15
Multiplying 1/-5 on both sides we get,
-5a = -40
a = -40/ -5
a = 8 is the answer.
