7y+20-5y=5y-7+9

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Solution for 7y+20-5y=5y-7+9 equation: 



7y+20-5y=5y-7+9

We move all terms to the left:

7y+20-5y-(5y-7+9)=0

We add all the numbers together, and all the variables

7y-5y-(5y+2)+20=0

We add all the numbers together, and all the variables

2y-(5y+2)+20=0

We get rid of parentheses

2y-5y-2+20=0

We add all the numbers together, and all the variables

-3y+18=0

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

-3y=-18

y=-18/-3

y=+6

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