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2.7h+4.1=12.2
We move all terms to the left:
2.7h+4.1-(12.2)=0
We add all the numbers together, and all the variables
2.7h-8.1=0
We move all terms containing h to the left, all other terms to the right
2.7h=8.1
h=8.1/2.7
h=2+1/1
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