2/5x+1/4x=13

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Solution for 2/5x+1/4x=13 equation: 


x in (-oo:+oo)

(2/5)*x+(1/4)*x = 13 // - 13

(2/5)*x+(1/4)*x-13 = 0

13/20*x-13 = 0 // + 13

13/20*x = 13 // : 13/20

x = 13/13/20

x = 20

x = 20

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