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Whakaoti mō x
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Tohaina

100\times 20=17x
Me whakarea ngā taha e rua ki te 20.
2000=17x
Whakareatia te 100 ki te 20, ka 2000.
17x=2000
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=\frac{2000}{17}
Whakawehea ngā taha e rua ki te 17.