21/2x-7=14

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Solution for 21/2x-7=14 equation: 



21/2x-7=14

We move all terms to the left:

21/2x-7-(14)=0



Domain of the equation: 2x!=0

x!=0/2

x!=0

x∈R



We add all the numbers together, and all the variables

21/2x-21=0

We multiply all the terms by the denominator


-21*2x+21=0

Wy multiply elements

-42x+21=0

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

-42x=-21

x=-21/-42

x=1/2

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