Y=21+x

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Solution for Y=21+x equation:



=21+Y
We move all terms to the left:
-(21+Y)=0
We add all the numbers together, and all the variables
-(Y+21)=0
We get rid of parentheses
-Y-21=0
We add all the numbers together, and all the variables
-1Y-21=0
We move all terms containing Y to the left, all other terms to the right
-Y=21
Y=21/-1
Y=-21

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