21x+3=22x-3

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Solution for 21x+3=22x-3 equation: 



21x+3=22x-3

We move all terms to the left:

21x+3-(22x-3)=0

We get rid of parentheses

21x-22x+3+3=0

We add all the numbers together, and all the variables

-1x+6=0

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

-x=-6

x=-6/-1

x=+6

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