30=-3y-15

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Solution for 30=-3y-15 equation: 



30=-3y-15

We move all terms to the left:

30-(-3y-15)=0

We get rid of parentheses

3y+15+30=0

We add all the numbers together, and all the variables

3y+45=0

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

3y=-45

y=-45/3

y=-15

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