7y+3y=y-28

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Solution for 7y+3y=y-28 equation: 



7y+3y=y-28

We move all terms to the left:

7y+3y-(y-28)=0

We add all the numbers together, and all the variables

10y-(y-28)=0

We get rid of parentheses

10y-y+28=0

We add all the numbers together, and all the variables

9y+28=0

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

9y=-28

y=-28/9

y=-3+1/9

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