k/4+4=9

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Solution for k/4+4=9 equation: 


k in (-oo:+oo)

k/4+4 = 9 // - 9

k/4-9+4 = 0

1/4*k-5 = 0 // + 5

1/4*k = 5 // : 1/4

k = 5/1/4

k = 20

k = 20

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