21y+3=5y-5

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Solution for 21y+3=5y-5 equation: 



21y+3=5y-5

We move all terms to the left:

21y+3-(5y-5)=0

We get rid of parentheses

21y-5y+5+3=0

We add all the numbers together, and all the variables

16y+8=0

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

16y=-8

y=-8/16

y=-1/2

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