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(H)=-8H+2
We move all terms to the left:
(H)-(-8H+2)=0
We get rid of parentheses
H+8H-2=0
We add all the numbers together, and all the variables
9H-2=0
We move all terms containing H to the left, all other terms to the right
9H=2
H=2/9
H=2/9
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