2x-3.9=-3.5

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Solution for 2x-3.9=-3.5 equation: 



2x-3.9=-3.5

We move all terms to the left:

2x-3.9-(-3.5)=0

We add all the numbers together, and all the variables

2x-0.4=0

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

2x=0.4

x=0.4/2

x=0.4/2

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