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-8y/30=-4
We move all terms to the left:
-8y/30-(-4)=0
We add all the numbers together, and all the variables
-8y/30+4=0
We multiply all the terms by the denominator
-8y+4*30=0
We add all the numbers together, and all the variables
-8y+120=0
We move all terms containing y to the left, all other terms to the right
-8y=-120
y=-120/-8
y=+15
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