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Whakaoti mō x
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Tohaina

6x\left(22+20\right)=18
Ko te tauaro o -20 ko 20.
6x\times 42=18
Tāpirihia te 22 ki te 20, ka 42.
252x=18
Whakareatia te 6 ki te 42, ka 252.
x=\frac{18}{252}
Whakawehea ngā taha e rua ki te 252.
x=\frac{1}{14}
Whakahekea te hautanga \frac{18}{252} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 18.