Whakaoti mō P
P=3
Tohaina
Kua tāruatia ki te papatopenga
10-0P=-20+10P
Whakareatia te 0 ki te 5, ka 0.
10-0=-20+10P
Ko te tau i whakarea ki te kore ka hua ko te kore.
10=-20+10P
Tangohia te 0 i te 10, ka 10.
-20+10P=10
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
10P=10+20
Me tāpiri te 20 ki ngā taha e rua.
10P=30
Tāpirihia te 10 ki te 20, ka 30.
P=\frac{30}{10}
Whakawehea ngā taha e rua ki te 10.
P=3
Whakawehea te 30 ki te 10, kia riro ko 3.
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