Tīpoka ki ngā ihirangi matua
Whakaoti mō n
Tick mark Image

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

73=-12n+9\left(1\times 2+1\right)
Me whakarea ngā taha e rua o te whārite ki te 18, arā, te tauraro pātahi he tino iti rawa te kitea o 18,3,2.
73=-12n+9\left(2+1\right)
Whakareatia te 1 ki te 2, ka 2.
73=-12n+9\times 3
Tāpirihia te 2 ki te 1, ka 3.
73=-12n+27
Whakareatia te 9 ki te 3, ka 27.
-12n+27=73
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-12n=73-27
Tangohia te 27 mai i ngā taha e rua.
-12n=46
Tangohia te 27 i te 73, ka 46.
n=\frac{46}{-12}
Whakawehea ngā taha e rua ki te -12.
n=-\frac{23}{6}
Whakahekea te hautanga \frac{46}{-12} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.