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-4.3+7x=13.2
We move all terms to the left:
-4.3+7x-(13.2)=0
We add all the numbers together, and all the variables
7x-17.5=0
We move all terms containing x to the left, all other terms to the right
7x=17.5
x=17.5/7
x=2+2.3333333333333/4.6666666666667
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