8y-15y=31,5

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Solution for 8y-15y=31,5 equation: 



8y-15y=31.5

We move all terms to the left:

8y-15y-(31.5)=0

We add all the numbers together, and all the variables

-7y-31.5=0

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

-7y=31.5

y=31.5/-7

y=-4+2.3333333333333/4.6666666666667

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