4x+8=0.1x+3=3.9x

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Solution for 4x+8=0.1x+3=3.9x equation: 



4x+8=0.1x+3=3.9x

We move all terms to the left:

4x+8-(0.1x+3)=0

We get rid of parentheses

4x-0.1x-3+8=0

We add all the numbers together, and all the variables

3.9x+5=0

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

3.9x=-5

x=-5/3.9

x=-1+1/3.5454545454545

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