1/4X+1/5X=9

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Solution for 1/4X+1/5X=9 equation:


X in (-oo:+oo)

(1/4)*X+(1/5)*X = 9 // - 9

(1/4)*X+(1/5)*X-9 = 0

9/20*X-9 = 0 // + 9

9/20*X = 9 // : 9/20

X = 9/9/20

X = 20

X = 20

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