Whakaoti mō x
x = \frac{80}{7} = 11\frac{3}{7} \approx 11.428571429
Graph
Tohaina
Kua tāruatia ki te papatopenga
4.2x=48
Pahekotia te 5.2x me -x, ka 4.2x.
x=\frac{48}{4.2}
Whakawehea ngā taha e rua ki te 4.2.
x=\frac{480}{42}
Whakarohaina te \frac{48}{4.2} mā te whakarea i te taurunga me te tauraro ki te 10.
x=\frac{80}{7}
Whakahekea te hautanga \frac{480}{42} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 6.
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