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3.50x+0.25=15
We move all terms to the left:
3.50x+0.25-(15)=0
We add all the numbers together, and all the variables
3.50x-14.75=0
We move all terms containing x to the left, all other terms to the right
3.50x=14.75
x=14.75/3.50
x=4+0.75/3.50
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