2/(x+7)=5

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Solution for 2/(x+7)=5 equation: 


D( x )

x+7 = 0

x+7 = 0

x+7 = 0

x+7 = 0 // - 7

x = -7

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

2/(x+7) = 5 // - 5

2/(x+7)-5 = 0

2/(x+7)+(-5*(x+7))/(x+7) = 0

2-5*(x+7) = 0

-5*x-33 = 0

(-5*x-33)/(x+7) = 0

(-5*x-33)/(x+7) = 0 // * x+7

-5*x-33 = 0

-5*x-33 = 0 // + 33

-5*x = 33 // : -5

x = 33/(-5)

x = -33/5

x = -33/5

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