Whakaoti mō k
k=-\frac{25}{44}\approx -0.568181818
Tohaina
Kua tāruatia ki te papatopenga
100k+50=12k
Whakamahia te āhuatanga tohatoha hei whakarea te 25 ki te 4k+2.
100k+50-12k=0
Tangohia te 12k mai i ngā taha e rua.
88k+50=0
Pahekotia te 100k me -12k, ka 88k.
88k=-50
Tangohia te 50 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
k=\frac{-50}{88}
Whakawehea ngā taha e rua ki te 88.
k=-\frac{25}{44}
Whakahekea te hautanga \frac{-50}{88} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
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