8+a=-4a-7

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Solution for 8+a=-4a-7 equation: 



8+a=-4a-7

We move all terms to the left:

8+a-(-4a-7)=0

We get rid of parentheses

a+4a+7+8=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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