-2(2a+6)=-18

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Solution for -2(2a+6)=-18 equation: 



-2(2a+6)=-18

We move all terms to the left:

-2(2a+6)-(-18)=0

We add all the numbers together, and all the variables

-2(2a+6)+18=0

We multiply parentheses

-4a-12+18=0

We add all the numbers together, and all the variables

-4a+6=0

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

-4a=-6

a=-6/-4

a=1+1/2

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