6-(-x)=18

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Solution for 6-(-x)=18 equation: 



6-(-x)=18

We move all terms to the left:

6-(-x)-(18)=0

We add all the numbers together, and all the variables

-(-1x)+6-18=0

We add all the numbers together, and all the variables

-(-1x)-12=0

We get rid of parentheses

1x-12=0

We add all the numbers together, and all the variables

x-12=0

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

x=12

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