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(H)=3-H
We move all terms to the left:
(H)-(3-H)=0
We add all the numbers together, and all the variables
H-(-1H+3)=0
We get rid of parentheses
H+1H-3=0
We add all the numbers together, and all the variables
2H-3=0
We move all terms containing H to the left, all other terms to the right
2H=3
H=3/2
H=1+1/2
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