-4(a+1)=2(a+1)

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Solution for -4(a+1)=2(a+1) equation: 



-4(a+1)=2(a+1)

We move all terms to the left:

-4(a+1)-(2(a+1))=0

We multiply parentheses

-4a-(2(a+1))-4=0



We calculate terms in parentheses: -(2(a+1)), so:

2(a+1)

We multiply parentheses

2a+2

Back to the equation:

-(2a+2)



We get rid of parentheses

-4a-2a-2-4=0

We add all the numbers together, and all the variables

-6a-6=0

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

-6a=6

a=6/-6

a=-1

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