51+7y=2(3y+6)+2(2y+9)

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Solution for 51+7y=2(3y+6)+2(2y+9) equation:



51+7y=2(3y+6)+2(2y+9)
We move all terms to the left:
51+7y-(2(3y+6)+2(2y+9))=0
We calculate terms in parentheses: -(2(3y+6)+2(2y+9)), so:
2(3y+6)+2(2y+9)
We multiply parentheses
6y+4y+12+18
We add all the numbers together, and all the variables
10y+30
Back to the equation:
-(10y+30)
We get rid of parentheses
7y-10y-30+51=0
We add all the numbers together, and all the variables
-3y+21=0
We move all terms containing y to the left, all other terms to the right
-3y=-21
y=-21/-3
y=+7

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