21y-6=4y+3

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Solution for 21y-6=4y+3 equation: 



21y-6=4y+3

We move all terms to the left:

21y-6-(4y+3)=0

We get rid of parentheses

21y-4y-3-6=0

We add all the numbers together, and all the variables

17y-9=0

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

17y=9

y=9/17

y=9/17

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