Whakaoti mō t
t=-\frac{1}{3}\approx -0.333333333
Tohaina
Kua tāruatia ki te papatopenga
-9t-12t=7
Tangohia te 12t mai i ngā taha e rua.
-21t=7
Pahekotia te -9t me -12t, ka -21t.
t=\frac{7}{-21}
Whakawehea ngā taha e rua ki te -21.
t=-\frac{1}{3}
Whakahekea te hautanga \frac{7}{-21} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 7.
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