7y-7=9y+4-4y-4

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Solution for 7y-7=9y+4-4y-4 equation: 



7y-7=9y+4-4y-4

We move all terms to the left:

7y-7-(9y+4-4y-4)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

7y-5y-7=0

We add all the numbers together, and all the variables

2y-7=0

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

2y=7

y=7/2

y=3+1/2

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