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3.8=3/p-7.2.
We move all terms to the left:
3.8-(3/p-7.2.)=0
Domain of the equation: p-7.2.)!=0We add all the numbers together, and all the variables
p∈R
-(+3/p)+3.8=0
We get rid of parentheses
-3/p+3.8=0
We multiply all the terms by the denominator
(3.8)*p-3=0
We multiply parentheses
3.8p-3=0
We move all terms containing p to the left, all other terms to the right
3.8p=3
p=3/3.8
p=1/1.2666666666667
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