7y=3y-30

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Solution for 7y=3y-30 equation: 



7y=3y-30

We move all terms to the left:

7y-(3y-30)=0

We get rid of parentheses

7y-3y+30=0

We add all the numbers together, and all the variables

4y+30=0

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

4y=-30

y=-30/4

y=-7+1/2

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