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7h+14=8.40
We move all terms to the left:
7h+14-(8.40)=0
We add all the numbers together, and all the variables
7h+14-(8.4)=0
We add all the numbers together, and all the variables
7h+5.6=0
We move all terms containing h to the left, all other terms to the right
7h=-5.6
h=-5.6/7
h=-3.5/4.375
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