-7(a+1)=3

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



-7(a+1)=3

We move all terms to the left:

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

We multiply parentheses

-7a-7-3=0

We add all the numbers together, and all the variables

-7a-10=0

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

-7a=10

a=10/-7

a=-1+3/7

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