-4(5a+10)=-120

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Solution for -4(5a+10)=-120 equation: 



-4(5a+10)=-120

We move all terms to the left:

-4(5a+10)-(-120)=0

We add all the numbers together, and all the variables

-4(5a+10)+120=0

We multiply parentheses

-20a-40+120=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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