0.3x-0.4=0.2x+7

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Solution for 0.3x-0.4=0.2x+7 equation: 



0.3x-0.4=0.2x+7

We move all terms to the left:

0.3x-0.4-(0.2x+7)=0

We get rid of parentheses

0.3x-0.2x-7-0.4=0

We add all the numbers together, and all the variables

0.1x-7.4=0

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

0.1x=7.4

x=7.4/0.1

x=74

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