3(7-y)+2y=17

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Solution for 3(7-y)+2y=17 equation: 



3(7-y)+2y=17

We move all terms to the left:

3(7-y)+2y-(17)=0

We add all the numbers together, and all the variables

3(-1y+7)+2y-17=0

We add all the numbers together, and all the variables

2y+3(-1y+7)-17=0

We multiply parentheses

2y-3y+21-17=0

We add all the numbers together, and all the variables

-1y+4=0

We move all terms containing y to the left, all other terms to the right

-y=-4

y=-4/-1

y=+4

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