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1.20x=3.5
We move all terms to the left:
1.20x-(3.5)=0
We add all the numbers together, and all the variables
1.20x-3.5=0
We move all terms containing x to the left, all other terms to the right
1.20x=3.5
x=3.5/1.20
x=2+1/1.0909090909091
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