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Whakaoti mō x
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Tohaina

3x=-20-5
Tangohia te 5 mai i ngā taha e rua.
3x=-25
Tangohia te 5 i te -20, ka -25.
x=\frac{-25}{3}
Whakawehea ngā taha e rua ki te 3.
x=-\frac{25}{3}
Ka taea te hautanga \frac{-25}{3} te tuhi anō ko -\frac{25}{3} mā te tango i te tohu tōraro.