(3x+25)-(5*(x+7))=(3/x)*x+7

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Solution for (3x+25)-(5*(x+7))=(3/x)*x+7 equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

3*x-(5*(x+7))+25 = (3/x)*x+7 // - (3/x)*x+7

3*x-(5*(x+7))-((3/x)*x)-7+25 = 0

3*x-5*(x+7)-7-3+25 = 0

3*x-5*(x+7)-7-3+25 = 0

25-2*x-35-7-3 = 0

25-2*x-42-3 = 0

25-2*x-45 = 0

-2*x-20 = 0

-2*x-20 = 0

-2*x-20 = 0 // + 20

-2*x = 20 // : -2

x = 20/(-2)

x = -10

x = -10

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