-30-2a=-4(a+6)

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Solution for -30-2a=-4(a+6) equation: 



-30-2a=-4(a+6)

We move all terms to the left:

-30-2a-(-4(a+6))=0



We calculate terms in parentheses: -(-4(a+6)), so:

-4(a+6)

We multiply parentheses

-4a-24

Back to the equation:

-(-4a-24)



We get rid of parentheses

-2a+4a+24-30=0

We add all the numbers together, and all the variables

2a-6=0

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

2a=6

a=6/2

a=3

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