Whakaoti mō r
r=\frac{p+5}{3}
Whakaoti mō p
p=3r-5
Tohaina
Kua tāruatia ki te papatopenga
3r-5=p
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
3r=p+5
Me tāpiri te 5 ki ngā taha e rua.
\frac{3r}{3}=\frac{p+5}{3}
Whakawehea ngā taha e rua ki te 3.
r=\frac{p+5}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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