10y-1=8y+21

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



10y-1=8y+21

We move all terms to the left:

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

We get rid of parentheses

10y-8y-21-1=0

We add all the numbers together, and all the variables

2y-22=0

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

2y=22

y=22/2

y=11

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