2(-6+a)=-18

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



2(-6+a)=-18

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

2(a-6)+18=0

We multiply parentheses

2a-12+18=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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