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4.3x-2.1=6.3
We move all terms to the left:
4.3x-2.1-(6.3)=0
We add all the numbers together, and all the variables
4.3x-8.4=0
We move all terms containing x to the left, all other terms to the right
4.3x=8.4
x=8.4/4.3
x=1+1/1.0487804878049
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