3.9x+12.4=12.1x+11-8x

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Solution for 3.9x+12.4=12.1x+11-8x equation: 



3.9x+12.4=12.1x+11-8x

We move all terms to the left:

3.9x+12.4-(12.1x+11-8x)=0

We add all the numbers together, and all the variables

3.9x-(4.1x+11)+12.4=0

We get rid of parentheses

3.9x-4.1x-11+12.4=0

We add all the numbers together, and all the variables

-0.2x+1.4=0

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

-0.2x=-1.4

x=-1.4/-0.2

x=6+0.2/0.2

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