-4a-4a-5a=-20

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Solution for -4a-4a-5a=-20 equation: 



-4a-4a-5a=-20

We move all terms to the left:

-4a-4a-5a-(-20)=0

We add all the numbers together, and all the variables

-13a+20=0

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

-13a=-20

a=-20/-13

a=1+7/13

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