Tīpoka ki ngā ihirangi matua
Whakaoti mō b
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Whakaoti mō r
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Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

4b-8=r
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te b-2.
4b=r+8
Me tāpiri te 8 ki ngā taha e rua.
\frac{4b}{4}=\frac{r+8}{4}
Whakawehea ngā taha e rua ki te 4.
b=\frac{r+8}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
b=\frac{r}{4}+2
Whakawehe r+8 ki te 4.
4b-8=r
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te b-2.
r=4b-8
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.