-5(1+4a)=-85

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Solution for -5(1+4a)=-85 equation: 



-5(1+4a)=-85

We move all terms to the left:

-5(1+4a)-(-85)=0

We add all the numbers together, and all the variables

-5(4a+1)-(-85)=0

We add all the numbers together, and all the variables

-5(4a+1)+85=0

We multiply parentheses

-20a-5+85=0

We add all the numbers together, and all the variables

-20a+80=0

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

-20a=-80

a=-80/-20

a=+4

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