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1.25x+7.75=31.50
We move all terms to the left:
1.25x+7.75-(31.50)=0
We add all the numbers together, and all the variables
1.25x+7.75-(31.5)=0
We add all the numbers together, and all the variables
1.25x-23.75=0
We move all terms containing x to the left, all other terms to the right
1.25x=23.75
x=23.75/1.25
x=19
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