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30h-10.5=38
We move all terms to the left:
30h-10.5-(38)=0
We add all the numbers together, and all the variables
30h-48.5=0
We move all terms containing h to the left, all other terms to the right
30h=48.5
h=48.5/30
h=1+2.8461538461538/4.6153846153846
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