Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Whakaoti mō z
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2x=-z
Tangohia te z mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
\frac{2x}{2}=-\frac{z}{2}
Whakawehea ngā taha e rua ki te 2.
x=-\frac{z}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
z=-2x
Tangohia te 2x mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.