4y=2(y-9)-2

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



4y=2(y-9)-2
We move all terms to the left:
4y-(2(y-9)-2)=0
We calculate terms in parentheses: -(2(y-9)-2), so:
2(y-9)-2
We multiply parentheses
2y-18-2
We add all the numbers together, and all the variables
2y-20
Back to the equation:
-(2y-20)
We get rid of parentheses
4y-2y+20=0
We add all the numbers together, and all the variables
2y+20=0
We move all terms containing y to the left, all other terms to the right
2y=-20
y=-20/2
y=-10

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