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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