I need help with this math problem.

[From: ] [author: ] [Date: 12-12-15] [Hit: ]

Simplify.

-8a - 7a

-8a - 7a <-- like terms
= -15a

Hope this helped!

Since the signs are the same you add
-8a + 7 = -15a

The answer is -15a. :)

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