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50x+5.50x=18.50x+7.75
We move all terms to the left:
50x+5.50x-(18.50x+7.75)=0
We add all the numbers together, and all the variables
55.5x-(18.50x+7.75)=0
We get rid of parentheses
55.5x-18.50x-7.75=0
We add all the numbers together, and all the variables
37x-7.75=0
We move all terms containing x to the left, all other terms to the right
37x=7.75
x=7.75/37
x=4.4285714285714/21.142857142857
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