0.3x-0.4=0.5x-0.8

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Solution for 0.3x-0.4=0.5x-0.8 equation: 



0.3x-0.4=0.5x-0.8

We move all terms to the left:

0.3x-0.4-(0.5x-0.8)=0

We get rid of parentheses

0.3x-0.5x+0.8-0.4=0

We add all the numbers together, and all the variables

-0.2x+0.4=0

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

-0.2x=-0.4

x=-0.4/-0.2

x=+2

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