8y+3=y-18

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Solution for 8y+3=y-18 equation: 



8y+3=y-18

We move all terms to the left:

8y+3-(y-18)=0

We get rid of parentheses

8y-y+18+3=0

We add all the numbers together, and all the variables

7y+21=0

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

7y=-21

y=-21/7

y=-3

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