3.9x-1.7x=13+31

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Solution for 3.9x-1.7x=13+31 equation: 



3.9x-1.7x=13+31

We move all terms to the left:

3.9x-1.7x-(13+31)=0

We add all the numbers together, and all the variables

3.9x-1.7x-44=0

We add all the numbers together, and all the variables

2.2x-44=0

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

2.2x=44

x=44/2.2

x=20

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