Whakaoti mō x
x=\frac{2}{7}\approx 0.285714286
Graph
Tohaina
Kua tāruatia ki te papatopenga
70x+30=50
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
70x=50-30
Tangohia te 30 mai i ngā taha e rua.
70x=20
Tangohia te 30 i te 50, ka 20.
x=\frac{20}{70}
Whakawehea ngā taha e rua ki te 70.
x=\frac{2}{7}
Whakahekea te hautanga \frac{20}{70} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.
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