21+y-8+1=12-7y+10y

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Solution for 21+y-8+1=12-7y+10y equation: 



21+y-8+1=12-7y+10y

We move all terms to the left:

21+y-8+1-(12-7y+10y)=0

We add all the numbers together, and all the variables

y-(3y+12)+21-8+1=0

We add all the numbers together, and all the variables

y-(3y+12)+14=0

We get rid of parentheses

y-3y-12+14=0

We add all the numbers together, and all the variables

-2y+2=0

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

-2y=-2

y=-2/-2

y=1

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