SOLUTION: please help me solve this equation -15=2.5a-5

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Question 952537: please help me solve this equation -15=2.5a-5
Answer by EdenWolf(517) About Me  (Show Source):
You can put this solution on YOUR website!
We are trying to find what a is, and to do this, we must isolate a.
-15=2.5a-5
Add 5 to both sides.
-10=2.5a
Divide 2.5 from both sides.
a=-4