34=21+y

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Solution for 34=21+y equation:



34=21+y
We move all terms to the left:
34-(21+y)=0
We add all the numbers together, and all the variables
-(y+21)+34=0
We get rid of parentheses
-y-21+34=0
We add all the numbers together, and all the variables
-1y+13=0
We move all terms containing y to the left, all other terms to the right
-y=-13
y=-13/-1
y=+13

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