3.1-x=3.5

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Solution for 3.1-x=3.5 equation: 



3.1-x=3.5

We move all terms to the left:

3.1-x-(3.5)=0

We add all the numbers together, and all the variables

-1x-0.4=0

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

-x=0.4

x=0.4/-1

x=-0.4/1

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