Whakaoti mō t
t = \frac{13}{2} = 6\frac{1}{2} = 6.5
Tohaina
Kua tāruatia ki te papatopenga
3t+7-t=20
Tangohia te t mai i ngā taha e rua.
2t+7=20
Pahekotia te 3t me -t, ka 2t.
2t=20-7
Tangohia te 7 mai i ngā taha e rua.
2t=13
Tangohia te 7 i te 20, ka 13.
t=\frac{13}{2}
Whakawehea ngā taha e rua ki te 2.
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