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k in (-oo:+oo)
26*k-(10/7) = 8 // - 8
26*k-(10/7)-8 = 0
26*k-10/7-8 = 0
26*k-66/7 = 0 // + 66/7
26*k = 66/7 // : 26
k = 66/7/26
k = 33/91
k = 33/91
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