1/(2x+7)=4/(7x+14)

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Solution for 1/(2x+7)=4/(7x+14) equation: 


D( x )

7*x+14 = 0

2*x+7 = 0

7*x+14 = 0

7*x+14 = 0

7*x+14 = 0 // - 14

7*x = -14 // : 7

x = -14/7

x = -2

2*x+7 = 0

2*x+7 = 0

2*x+7 = 0 // - 7

2*x = -7 // : 2

x = -7/2

x in (-oo:-7/2) U (-7/2:-2) U (-2:+oo)

1/(2*x+7) = 4/(7*x+14) // - 4/(7*x+14)

1/(2*x+7)-(4/(7*x+14)) = 0

1/(2*x+7)-4*(7*x+14)^-1 = 0

1/(2*x+7)-4/(7*x+14) = 0

(1*(7*x+14))/((2*x+7)*(7*x+14))+(-4*(2*x+7))/((2*x+7)*(7*x+14)) = 0

1*(7*x+14)-4*(2*x+7) = 0

-x-14 = 0

(-x-14)/((2*x+7)*(7*x+14)) = 0

(-x-14)/((2*x+7)*(7*x+14)) = 0 // * (2*x+7)*(7*x+14)

-x-14 = 0

-x-14 = 0 // + 14

-x = 14 // * -1

x = -14

x = -14

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