7/(2x+21)=1

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Solution for 7/(2x+21)=1 equation: 



7/(2x+21)=1

We move all terms to the left:

7/(2x+21)-(1)=0



Domain of the equation: (2x+21)!=0

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

2x!=-21

x!=-21/2

x!=-10+1/2

x∈R



We multiply all the terms by the denominator


-1*(2x+21)+7=0

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

-1*(2x+21)=-7

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