2+-2x=21-3x

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Solution for 2+-2x=21-3x equation: 



2+-2x=21-3x

We move all terms to the left:

2+-2x-(21-3x)=0

We add all the numbers together, and all the variables

-2x-(-3x+21)+2+=0

We add all the numbers together, and all the variables

-2x-(-3x+21)=0

We get rid of parentheses

-2x+3x-21=0

We add all the numbers together, and all the variables

x-21=0

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

x=21

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