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Whakaoti mō x
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Tohaina

\frac{3}{5}x=6
Whakahekea te hautanga \frac{60}{100} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 20.
x=6\times \frac{5}{3}
Me whakarea ngā taha e rua ki te \frac{5}{3}, te tau utu o \frac{3}{5}.
x=\frac{6\times 5}{3}
Tuhia te 6\times \frac{5}{3} hei hautanga kotahi.
x=\frac{30}{3}
Whakareatia te 6 ki te 5, ka 30.
x=10
Whakawehea te 30 ki te 3, kia riro ko 10.