.50x+20(9.0-x)=315

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Solution for .50x+20(9.0-x)=315 equation: 



.50x+20(9.0-x)=315

We move all terms to the left:

.50x+20(9.0-x)-(315)=0

We add all the numbers together, and all the variables

.50x+20(-1x+9)-315=0

We multiply parentheses

.50x-20x+180-315=0

We add all the numbers together, and all the variables

-19.5x-135=0

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

-19.5x=135

x=135/-19.5

x=-6+18/19.5

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