20x-169.5=40x-420

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Solution for 20x-169.5=40x-420 equation: 



20x-169.5=40x-420

We move all terms to the left:

20x-169.5-(40x-420)=0

We get rid of parentheses

20x-40x+420-169.5=0

We add all the numbers together, and all the variables

-20x+250.5=0

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

-20x=-250.5

x=-250.5/-20

x=12+1/1.90476190476

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