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Whakaoti mō x
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Tohaina

373x-745x-577=223
Pahekotia te 8x me 365x, ka 373x.
-372x-577=223
Pahekotia te 373x me -745x, ka -372x.
-372x=223+577
Me tāpiri te 577 ki ngā taha e rua.
-372x=800
Tāpirihia te 223 ki te 577, ka 800.
x=\frac{800}{-372}
Whakawehea ngā taha e rua ki te -372.
x=-\frac{200}{93}
Whakahekea te hautanga \frac{800}{-372} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.