1+21+1x=21+3x

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Solution for 1+21+1x=21+3x equation: 



1+21+1x=21+3x

We move all terms to the left:

1+21+1x-(21+3x)=0

We add all the numbers together, and all the variables

1x-(3x+21)+1+21=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

x-3x-21+22=0

We add all the numbers together, and all the variables

-2x+1=0

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

-2x=-1

x=-1/-2

x=1/2

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