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5-2.3x=21.1
We move all terms to the left:
5-2.3x-(21.1)=0
We add all the numbers together, and all the variables
-2.3x-16.1=0
We move all terms containing x to the left, all other terms to the right
-2.3x=16.1
x=16.1/-2.3
x=-7+3.5527136788005E-15/2.3
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