3(y-2)=4(9-y)

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Solution for 3(y-2)=4(9-y) equation:



3(y-2)=4(9-y)
We move all terms to the left:
3(y-2)-(4(9-y))=0
We add all the numbers together, and all the variables
3(y-2)-(4(-1y+9))=0
We multiply parentheses
3y-(4(-1y+9))-6=0
We calculate terms in parentheses: -(4(-1y+9)), so:
4(-1y+9)
We multiply parentheses
-4y+36
Back to the equation:
-(-4y+36)
We get rid of parentheses
3y+4y-36-6=0
We add all the numbers together, and all the variables
7y-42=0
We move all terms containing y to the left, all other terms to the right
7y=42
y=42/7
y=6

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