21y-11=18y+1

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Solution for 21y-11=18y+1 equation: 



21y-11=18y+1

We move all terms to the left:

21y-11-(18y+1)=0

We get rid of parentheses

21y-18y-1-11=0

We add all the numbers together, and all the variables

3y-12=0

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

3y=12

y=12/3

y=4

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