-3y+7=9y+4y

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Solution for -3y+7=9y+4y equation:



-3y+7=9y+4y
We move all terms to the left:
-3y+7-(9y+4y)=0
We add all the numbers together, and all the variables
-3y-(+13y)+7=0
We get rid of parentheses
-3y-13y+7=0
We add all the numbers together, and all the variables
-16y+7=0
We move all terms containing y to the left, all other terms to the right
-16y=-7
y=-7/-16
y=7/16

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