8y-28=21y+3

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Solution for 8y-28=21y+3 equation: 



8y-28=21y+3

We move all terms to the left:

8y-28-(21y+3)=0

We get rid of parentheses

8y-21y-3-28=0

We add all the numbers together, and all the variables

-13y-31=0

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

-13y=31

y=31/-13

y=-2+5/13

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