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3.5x=1.2
We move all terms to the left:
3.5x-(1.2)=0
We add all the numbers together, and all the variables
3.5x-1.2=0
We move all terms containing x to the left, all other terms to the right
3.5x=1.2
x=1.2/3.5
x=1/2.9166666666667
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