21/(x+2)=7

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Solution for 21/(x+2)=7 equation: 



21/(x+2)=7

We move all terms to the left:

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



Domain of the equation: (x+2)!=0

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

x!=-2

x∈R



We multiply all the terms by the denominator


-7*(x+2)+21=0

We multiply parentheses

-7x-14+21=0

We add all the numbers together, and all the variables

-7x+7=0

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

-7x=-7

x=-7/-7

x=1

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