-3a-1=2(a+2)

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Solution for -3a-1=2(a+2) equation: 



-3a-1=2(a+2)

We move all terms to the left:

-3a-1-(2(a+2))=0



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

2(a+2)

We multiply parentheses

2a+4

Back to the equation:

-(2a+4)



We get rid of parentheses

-3a-2a-4-1=0

We add all the numbers together, and all the variables

-5a-5=0

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

-5a=5

a=5/-5

a=-1

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