0.3x+1.2=0.7x-0.4

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Solution for 0.3x+1.2=0.7x-0.4 equation: 



0.3x+1.2=0.7x-0.4

We move all terms to the left:

0.3x+1.2-(0.7x-0.4)=0

We get rid of parentheses

0.3x-0.7x+0.4+1.2=0

We add all the numbers together, and all the variables

-0.4x+1.6=0

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

-0.4x=-1.6

x=-1.6/-0.4

x=+4

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