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(19+x)/2=30
We move all terms to the left:
(19+x)/2-(30)=0
We add all the numbers together, and all the variables
(x+19)/2-30=0
We multiply all the terms by the denominator
(x+19)-30*2=0
We add all the numbers together, and all the variables
(x+19)-60=0
We get rid of parentheses
x+19-60=0
We add all the numbers together, and all the variables
x-41=0
We move all terms containing x to the left, all other terms to the right
x=41
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