2a+7=-3a-8

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



2a+7=-3a-8

We move all terms to the left:

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

We get rid of parentheses

2a+3a+8+7=0

We add all the numbers together, and all the variables

5a+15=0

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

5a=-15

a=-15/5

a=-3

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