21=7/2h

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Solution for 21=7/2h equation: 



21=7/2h

We move all terms to the left:

21-(7/2h)=0



Domain of the equation: 2h)!=0

h!=0/1

h!=0

h∈R



We add all the numbers together, and all the variables

-(+7/2h)+21=0

We get rid of parentheses

-7/2h+21=0

We multiply all the terms by the denominator


21*2h-7=0

Wy multiply elements

42h-7=0

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

42h=7

h=7/42

h=1/6

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