(x+9x)/5=20

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Solution for (x+9x)/5=20 equation: 


x in (-oo:+oo)

(x+9*x)/5 = 20 // - 20

(x+9*x)/5-20 = 0

(10*x)/5-20 = 0

(10*x)/5+(-20*5)/5 = 0

10*x-20*5 = 0

10*x-100 = 0

(10*x-100)/5 = 0

(10*x-100)/5 = 0 // * 5

10*x-100 = 0

10*x-100 = 0 // + 100

10*x = 100 // : 10

x = 100/10

x = 10

x = 10

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