-7-y=3(y-1)

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Solution for -7-y=3(y-1) equation:



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

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