1/2x+2/5x=18

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Solution for 1/2x+2/5x=18 equation: 


x in (-oo:+oo)

(1/2)*x+(2/5)*x = 18 // - 18

(1/2)*x+(2/5)*x-18 = 0

9/10*x-18 = 0 // + 18

9/10*x = 18 // : 9/10

x = 18/9/10

x = 20

x = 20

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