-4a-8=28

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Solution for -4a-8=28 equation: 



-4a-8=28

We move all terms to the left:

-4a-8-(28)=0

We add all the numbers together, and all the variables

-4a-36=0

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

-4a=36

a=36/-4

a=-9

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