139=7k+5k+7

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Solution for 139=7k+5k+7 equation: 


k in (-oo:+oo)

139 = 7*k+5*k+7 // - 7*k+5*k+7

139-(7*k)-(5*k)-7 = 0

139-7*k-5*k-7 = 0

132-12*k = 0 // - 132

-12*k = -132 // : -12

k = -132/(-12)

k = 11

k = 11

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