7y-10y=30

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Solution for 7y-10y=30 equation: 



7y-10y=30

We move all terms to the left:

7y-10y-(30)=0

We add all the numbers together, and all the variables

-3y-30=0

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

-3y=30

y=30/-3

y=-10

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