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=20+50H-16H
We move all terms to the left:
-(20+50H-16H)=0
We add all the numbers together, and all the variables
-(34H+20)=0
We get rid of parentheses
-34H-20=0
We move all terms containing H to the left, all other terms to the right
-34H=20
H=20/-34
H=-10/17
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