x/3+4x=390

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Solution for x/3+4x=390 equation: 


x in (-oo:+oo)

x/3+4*x = 390 // - 390

x/3+4*x-390 = 0

13/3*x-390 = 0 // + 390

13/3*x = 390 // : 13/3

x = 390/13/3

x = 90

x = 90

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