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2.5+3x=19.25
We move all terms to the left:
2.5+3x-(19.25)=0
We add all the numbers together, and all the variables
3x-16.75=0
We move all terms containing x to the left, all other terms to the right
3x=16.75
x=16.75/3
x=5+1/1.7142857142857
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