-2a+7a=-3a-8

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Solution for -2a+7a=-3a-8 equation: 



-2a+7a=-3a-8

We move all terms to the left:

-2a+7a-(-3a-8)=0

We add all the numbers together, and all the variables

5a-(-3a-8)=0

We get rid of parentheses

5a+3a+8=0

We add all the numbers together, and all the variables

8a+8=0

We move all terms containing a to the left, all other terms to the right

8a=-8

a=-8/8

a=-1

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