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3.9x-3=3.9x
We move all terms to the left:
3.9x-3-(3.9x)=0
We add all the numbers together, and all the variables
3.9x-(+3.9x)-3=0
We get rid of parentheses
3.9x-3.9x-3=0
We add all the numbers together, and all the variables
-3!=0
There is no solution for this equation
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