(0.3x-28)+(0.2x-49)=90

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Solution for (0.3x-28)+(0.2x-49)=90 equation: 



(0.3x-28)+(0.2x-49)=90

We move all terms to the left:

(0.3x-28)+(0.2x-49)-(90)=0

We get rid of parentheses

0.3x+0.2x-28-49-90=0

We add all the numbers together, and all the variables

0.5x-167=0

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

0.5x=167

x=167/0.5

x=334

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