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

Tohaina

-42x=225-636
Tangohia te 636 mai i ngā taha e rua.
-42x=-411
Tangohia te 636 i te 225, ka -411.
x=\frac{-411}{-42}
Whakawehea ngā taha e rua ki te -42.
x=\frac{137}{14}
Whakahekea te hautanga \frac{-411}{-42} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -3.