9(y-7)=2(4y+9)-81

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Solution for 9(y-7)=2(4y+9)-81 equation:



9(y-7)=2(4y+9)-81
We move all terms to the left:
9(y-7)-(2(4y+9)-81)=0
We multiply parentheses
9y-(2(4y+9)-81)-63=0
We calculate terms in parentheses: -(2(4y+9)-81), so:
2(4y+9)-81
We multiply parentheses
8y+18-81
We add all the numbers together, and all the variables
8y-63
Back to the equation:
-(8y-63)
We get rid of parentheses
9y-8y+63-63=0
We add all the numbers together, and all the variables
y=0

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