10-3y-7y=-30

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Solution for 10-3y-7y=-30 equation: 



10-3y-7y=-30

We move all terms to the left:

10-3y-7y-(-30)=0

We add all the numbers together, and all the variables

-10y+40=0

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

-10y=-40

y=-40/-10

y=+4

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