Answer:
The answer is b, 5
Explanation:
-3x = -15
(it sometimes helps to flip it, so that's what I'm going to do here to help it to make more sense)
x(-3) = -15
x(-3) devided by (-3) = -15 devided by (-3)
when you devide a negitive by a negative the answer will be positive
the absolute value of 15 devided by three is 5
your answer is a positive five, or just 5