7x-21/4=9

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Solution for 7x-21/4=9 equation: 



7x-21/4=9

We move all terms to the left:

7x-21/4-(9)=0

determiningTheFunctionDomain
7x-9-21/4=0

We multiply all the terms by the denominator


7x*4-21-9*4=0

We add all the numbers together, and all the variables

7x*4-57=0

Wy multiply elements

28x-57=0

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

28x=57

x=57/28

x=2+1/28

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