3(7-3y)=2(10-5y)

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Solution for 3(7-3y)=2(10-5y) equation:



3(7-3y)=2(10-5y)
We move all terms to the left:
3(7-3y)-(2(10-5y))=0
We add all the numbers together, and all the variables
3(-3y+7)-(2(-5y+10))=0
We multiply parentheses
-9y-(2(-5y+10))+21=0
We calculate terms in parentheses: -(2(-5y+10)), so:
2(-5y+10)
We multiply parentheses
-10y+20
Back to the equation:
-(-10y+20)
We get rid of parentheses
-9y+10y-20+21=0
We add all the numbers together, and all the variables
y+1=0
We move all terms containing y to the left, all other terms to the right
y=-1

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