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3.1-3x=2.83
We move all terms to the left:
3.1-3x-(2.83)=0
We add all the numbers together, and all the variables
-3x+0.27=0
We move all terms containing x to the left, all other terms to the right
-3x=-0.27
x=-0.27/-3
x=0.27/3
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