7y-20=2y-10y

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Solution for 7y-20=2y-10y equation: 



7y-20=2y-10y

We move all terms to the left:

7y-20-(2y-10y)=0

We add all the numbers together, and all the variables

7y-(-8y)-20=0

We get rid of parentheses

7y+8y-20=0

We add all the numbers together, and all the variables

15y-20=0

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

15y=20

y=20/15

y=1+1/3

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