.50(9-y)+.20y=3.45

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Solution for .50(9-y)+.20y=3.45 equation: 



.50(9-y)+.20y=3.45

We move all terms to the left:

.50(9-y)+.20y-(3.45)=0

We add all the numbers together, and all the variables

.50(-1y+9)+.20y-(3.45)=0

We add all the numbers together, and all the variables

.20y+.50(-1y+9)-3.45=0

We multiply parentheses

.20y-0.5y+4.5-3.45=0

We add all the numbers together, and all the variables

-0.3y+1.05=0

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

-0.3y=-1.05

y=-1.05/-0.3

y=3+0.15/0.3

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