-18-x=18-3x

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Solution for -18-x=18-3x equation: 



-18-x=18-3x

We move all terms to the left:

-18-x-(18-3x)=0

We add all the numbers together, and all the variables

-x-(-3x+18)-18=0

We add all the numbers together, and all the variables

-1x-(-3x+18)-18=0

We get rid of parentheses

-1x+3x-18-18=0

We add all the numbers together, and all the variables

2x-36=0

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

2x=36

x=36/2

x=18

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