-18=a+2-2a

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Solution for -18=a+2-2a equation: 



-18=a+2-2a

We move all terms to the left:

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

We add all the numbers together, and all the variables

-(-1a+2)-18=0

We get rid of parentheses

1a-2-18=0

We add all the numbers together, and all the variables

a-20=0

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

a=20

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