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2t-1=e
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2t=e+1
Me tāpiri te 1 ki ngā taha e rua.
\frac{2t}{2}=\frac{e+1}{2}
Whakawehea ngā taha e rua ki te 2.
t=\frac{e+1}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.