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50+7.50x=173.75
We move all terms to the left:
50+7.50x-(173.75)=0
We add all the numbers together, and all the variables
7.50x-123.75=0
We move all terms containing x to the left, all other terms to the right
7.50x=123.75
x=123.75/7.50
x=16+2.14285714286/4.28571428571
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