2a=-2+4(a+3)

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Solution for 2a=-2+4(a+3) equation: 



2a=-2+4(a+3)

We move all terms to the left:

2a-(-2+4(a+3))=0



We calculate terms in parentheses: -(-2+4(a+3)), so:

-2+4(a+3)

determiningTheFunctionDomain
4(a+3)-2

We multiply parentheses

4a+12-2

We add all the numbers together, and all the variables

4a+10

Back to the equation:

-(4a+10)



We get rid of parentheses

2a-4a-10=0

We add all the numbers together, and all the variables

-2a-10=0

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

-2a=10

a=10/-2

a=-5

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