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15y/10=-30
We move all terms to the left:
15y/10-(-30)=0
We add all the numbers together, and all the variables
15y/10+30=0
We multiply all the terms by the denominator
15y+30*10=0
We add all the numbers together, and all the variables
15y+300=0
We move all terms containing y to the left, all other terms to the right
15y=-300
y=-300/15
y=-20
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