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

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Solution for -(a+2)+a=4a+18 equation: 



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

a-a-4a-2-18=0

We add all the numbers together, and all the variables

-4a-20=0

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

-4a=20

a=20/-4

a=-5

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