42-x=2+x

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Solution for 42-x=2+x equation: 



42-x=2+x

We move all terms to the left:

42-x-(2+x)=0

We add all the numbers together, and all the variables

-x-(x+2)+42=0

We add all the numbers together, and all the variables

-1x-(x+2)+42=0

We get rid of parentheses

-1x-x-2+42=0

We add all the numbers together, and all the variables

-2x+40=0

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

-2x=-40

x=-40/-2

x=+20

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