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2.5x+7.25=79.75
We move all terms to the left:
2.5x+7.25-(79.75)=0
We add all the numbers together, and all the variables
2.5x-72.5=0
We move all terms containing x to the left, all other terms to the right
2.5x=72.5
x=72.5/2.5
x=29
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