3(h-4)=9

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Solution for 3(h-4)=9 equation: 



3(h-4)=9

We move all terms to the left:

3(h-4)-(9)=0

We multiply parentheses

3h-12-9=0

We add all the numbers together, and all the variables

3h-21=0

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

3h=21

h=21/3

h=7

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