2k+9=13

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Solution for 2k+9=13 equation: 


k in (-oo:+oo)

2*k+9 = 13 // - 13

2*k-13+9 = 0

2*k-4 = 0 // + 4

2*k = 4 // : 2

k = 4/2

k = 2

k = 2

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