Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

180x=2020-120
Tangohia te 120 mai i ngā taha e rua.
180x=1900
Tangohia te 120 i te 2020, ka 1900.
x=\frac{1900}{180}
Whakawehea ngā taha e rua ki te 180.
x=\frac{95}{9}
Whakahekea te hautanga \frac{1900}{180} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 20.