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2.1-1.5x=3.2
We move all terms to the left:
2.1-1.5x-(3.2)=0
We add all the numbers together, and all the variables
-1.5x-1.1=0
We move all terms containing x to the left, all other terms to the right
-1.5x=1.1
x=1.1/-1.5
x=-1/1.36363636364
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