27=-5a-4a

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Solution for 27=-5a-4a equation: 



27=-5a-4a

We move all terms to the left:

27-(-5a-4a)=0

We add all the numbers together, and all the variables

-(-9a)+27=0

We get rid of parentheses

9a+27=0

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

9a=-27

a=-27/9

a=-3

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