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k in (-oo:+oo)
2*(6*k+5) = 34 // - 34
2*(6*k+5)-34 = 0
2*(6*k+5)-34 = 0
12*k-24 = 0
12*k-24 = 0
12*k-24 = 0 // + 24
12*k = 24 // : 12
k = 24/12
k = 2
k = 2
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