-0.4+2x-2.1=0.3x-0.8

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Solution for -0.4+2x-2.1=0.3x-0.8 equation: 



-0.4+2x-2.1=0.3x-0.8

We move all terms to the left:

-0.4+2x-2.1-(0.3x-0.8)=0

We add all the numbers together, and all the variables

2x-(0.3x-0.8)-2.5=0

We get rid of parentheses

2x-0.3x+0.8-2.5=0

We add all the numbers together, and all the variables

1.7x-1.7=0

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

1.7x=1.7

x=1.7/1.7

x=1

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