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x/6.3=2.1
We move all terms to the left:
x/6.3-(2.1)=0
We add all the numbers together, and all the variables
x/6.3-2.1=0
We multiply all the terms by the denominator
x-(2.1)*6.3=0
We add all the numbers together, and all the variables
x-13.23=0
We move all terms containing x to the left, all other terms to the right
x=13.23
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