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

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



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

We move all terms to the left:

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

We multiply parentheses

-2a-(2a-2)-2=0

We get rid of parentheses

-2a-2a+2-2=0

We add all the numbers together, and all the variables

-4a=0

a=0/-4

a=0

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