3.5(8-y)+2y=20.5

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Solution for 3.5(8-y)+2y=20.5 equation: 



3.5(8-y)+2y=20.5

We move all terms to the left:

3.5(8-y)+2y-(20.5)=0

We add all the numbers together, and all the variables

3.5(-1y+8)+2y-(20.5)=0

We add all the numbers together, and all the variables

2y+3.5(-1y+8)-20.5=0

We multiply parentheses

2y-3.5y+28-20.5=0

We add all the numbers together, and all the variables

-1.5y+7.5=0

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

-1.5y=-7.5

y=-7.5/-1.5

y=+5

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