15y-7-13y=20

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Solution for 15y-7-13y=20 equation: 



15y-7-13y=20

We move all terms to the left:

15y-7-13y-(20)=0

We add all the numbers together, and all the variables

2y-27=0

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

2y=27

y=27/2

y=13+1/2

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