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3.5x-9.5=8
We move all terms to the left:
3.5x-9.5-(8)=0
We add all the numbers together, and all the variables
3.5x-17.5=0
We move all terms containing x to the left, all other terms to the right
3.5x=17.5
x=17.5/3.5
x=5
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