9h+21=51

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Solution for 9h+21=51 equation: 



9h+21=51

We move all terms to the left:

9h+21-(51)=0

We add all the numbers together, and all the variables

9h-30=0

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

9h=30

h=30/9

h=3+1/3

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