18/(2x+1)=2

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Solution for 18/(2x+1)=2 equation: 


D( x )

2*x+1 = 0

2*x+1 = 0

2*x+1 = 0

2*x+1 = 0 // - 1

2*x = -1 // : 2

x = -1/2

x in (-oo:-1/2) U (-1/2:+oo)

18/(2*x+1) = 2 // - 2

18/(2*x+1)-2 = 0

18/(2*x+1)+(-2*(2*x+1))/(2*x+1) = 0

18-2*(2*x+1) = 0

16-4*x = 0

(16-4*x)/(2*x+1) = 0

(16-4*x)/(2*x+1) = 0 // * 2*x+1

16-4*x = 0

16-4*x = 0 // - 16

-4*x = -16 // : -4

x = -16/(-4)

x = 4

x = 4

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