-4a-7(3a+1)=93

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Solution for -4a-7(3a+1)=93 equation: 



-4a-7(3a+1)=93

We move all terms to the left:

-4a-7(3a+1)-(93)=0

We multiply parentheses

-4a-21a-7-93=0

We add all the numbers together, and all the variables

-25a-100=0

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

-25a=100

a=100/-25

a=-4

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