-4(3a+1)=-100

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Solution for -4(3a+1)=-100 equation: 



-4(3a+1)=-100

We move all terms to the left:

-4(3a+1)-(-100)=0

We add all the numbers together, and all the variables

-4(3a+1)+100=0

We multiply parentheses

-12a-4+100=0

We add all the numbers together, and all the variables

-12a+96=0

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

-12a=-96

a=-96/-12

a=+8

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