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7.7-1.25x=3.95
We move all terms to the left:
7.7-1.25x-(3.95)=0
We add all the numbers together, and all the variables
-1.25x+3.75=0
We move all terms containing x to the left, all other terms to the right
-1.25x=-3.75
x=-3.75/-1.25
x=+3
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