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2.5x+25.75=78
We move all terms to the left:
2.5x+25.75-(78)=0
We add all the numbers together, and all the variables
2.5x-52.25=0
We move all terms containing x to the left, all other terms to the right
2.5x=52.25
x=52.25/2.5
x=20+1/1.1111111111111
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