3y-(21-24y)=18y-(6+8y)

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Solution for 3y-(21-24y)=18y-(6+8y) equation: 



3y-(21-24y)=18y-(6+8y)

We move all terms to the left:

3y-(21-24y)-(18y-(6+8y))=0

We add all the numbers together, and all the variables

3y-(-24y+21)-(18y-(8y+6))=0

We get rid of parentheses

3y+24y-(18y-(8y+6))-21=0



We calculate terms in parentheses: -(18y-(8y+6)), so:

18y-(8y+6)

We get rid of parentheses

18y-8y-6

We add all the numbers together, and all the variables

10y-6

Back to the equation:

-(10y-6)



We add all the numbers together, and all the variables

27y-(10y-6)-21=0

We get rid of parentheses

27y-10y+6-21=0

We add all the numbers together, and all the variables

17y-15=0

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

17y=15

y=15/17

y=15/17

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