(9x-15)/4=31

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Solution for (9x-15)/4=31 equation: 


x in (-oo:+oo)

(9*x-15)/4 = 31 // - 31

(9*x-15)/4-31 = 0

(9*x-15)/4+(-31*4)/4 = 0

9*x-31*4-15 = 0

9*x-139 = 0

(9*x-139)/4 = 0

(9*x-139)/4 = 0 // * 4

9*x-139 = 0

9*x-139 = 0 // + 139

9*x = 139 // : 9

x = 139/9

x = 139/9

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