K/2+3=7

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Solution for K/2+3=7 equation: 


K in (-oo:+oo)

K/2+3 = 7 // - 7

K/2-7+3 = 0

1/2*K-4 = 0 // + 4

1/2*K = 4 // : 1/2

K = 4/1/2

K = 8

K = 8

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