-3y-4y=9-y

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Solution for -3y-4y=9-y equation:



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

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