7y+42=3y-28

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Solution for 7y+42=3y-28 equation: 



7y+42=3y-28

We move all terms to the left:

7y+42-(3y-28)=0

We get rid of parentheses

7y-3y+28+42=0

We add all the numbers together, and all the variables

4y+70=0

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

4y=-70

y=-70/4

y=-17+1/2

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