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h+21/4=7
We move all terms to the left:
h+21/4-(7)=0
determiningTheFunctionDomain h-7+21/4=0
We multiply all the terms by the denominator
h*4+21-7*4=0
We add all the numbers together, and all the variables
h*4-7=0
Wy multiply elements
4h-7=0
We move all terms containing h to the left, all other terms to the right
4h=7
h=7/4
h=1+3/4
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