2h+h=12

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Solution for 2h+h=12 equation:



2h+h=12
We move all terms to the left:
2h+h-(12)=0
We add all the numbers together, and all the variables
3h-12=0
We move all terms containing h to the left, all other terms to the right
3h=12
h=12/3
h=4

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