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(h+3)/2=15
We move all terms to the left:
(h+3)/2-(15)=0
We multiply all the terms by the denominator
(h+3)-15*2=0
We add all the numbers together, and all the variables
(h+3)-30=0
We get rid of parentheses
h+3-30=0
We add all the numbers together, and all the variables
h-27=0
We move all terms containing h to the left, all other terms to the right
h=27
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