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3+x/31.25=8
We move all terms to the left:
3+x/31.25-(8)=0
We add all the numbers together, and all the variables
x/31.25-5=0
We multiply all the terms by the denominator
x-5*31.25=0
We add all the numbers together, and all the variables
x-156.25=0
We move all terms containing x to the left, all other terms to the right
x=156.25
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