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u/7+1=-7.75
We move all terms to the left:
u/7+1-(-7.75)=0
We add all the numbers together, and all the variables
u/7+8.75=0
We multiply all the terms by the denominator
u+(8.75)*7=0
We add all the numbers together, and all the variables
u+61.25=0
We move all terms containing u to the left, all other terms to the right
u=-61.25
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