15-20y=30

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Solution for 15-20y=30 equation: 



15-20y=30

We move all terms to the left:

15-20y-(30)=0

We add all the numbers together, and all the variables

-20y-15=0

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

-20y=15

y=15/-20

y=-3/4

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