42h-27h-3h=12

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Solution for 42h-27h-3h=12 equation: 



42h-27h-3h=12

We move all terms to the left:

42h-27h-3h-(12)=0

We add all the numbers together, and all the variables

12h-12=0

We move all terms containing h to the left, all other terms to the right

12h=12

h=12/12

h=1

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