Whakaoti mō x
x=-\frac{1}{10}=-0.1
Graph
Tohaina
Kua tāruatia ki te papatopenga
-2=20x
Tē taea kia ōrite te tāupe x ki 0 nā te kore tautuhi i te whakawehenga mā te kore. Whakareatia ngā taha e rua o te whārite ki te x.
20x=-2
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=\frac{-2}{20}
Whakawehea ngā taha e rua ki te 20.
x=-\frac{1}{10}
Whakahekea te hautanga \frac{-2}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
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