-a+18=-4+2a-8

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Solution for -a+18=-4+2a-8 equation: 



-a+18=-4+2a-8

We move all terms to the left:

-a+18-(-4+2a-8)=0

We add all the numbers together, and all the variables

-a-(2a-12)+18=0

We add all the numbers together, and all the variables

-1a-(2a-12)+18=0

We get rid of parentheses

-1a-2a+12+18=0

We add all the numbers together, and all the variables

-3a+30=0

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

-3a=-30

a=-30/-3

a=+10

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