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5.5x-6=10.5
We move all terms to the left:
5.5x-6-(10.5)=0
We add all the numbers together, and all the variables
5.5x-16.5=0
We move all terms containing x to the left, all other terms to the right
5.5x=16.5
x=16.5/5.5
x=3
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