Tīpoka ki ngā ihirangi matua
Whakaoti mō t
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Whakaoti mō c
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

c=3t-15
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te t-5.
3t-15=c
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
3t=c+15
Me tāpiri te 15 ki ngā taha e rua.
\frac{3t}{3}=\frac{c+15}{3}
Whakawehea ngā taha e rua ki te 3.
t=\frac{c+15}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
t=\frac{c}{3}+5
Whakawehe c+15 ki te 3.
c=3t-15
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te t-5.