30+.20x=40x

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Solution for 30+.20x=40x equation: 



30+.20x=40x

We move all terms to the left:

30+.20x-(40x)=0

We add all the numbers together, and all the variables

-39.8x+30=0

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

-39.8x=-30

x=-30/-39.8

x=10/13.266666666667

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