Whakaoti mō x
x = \frac{7}{5} = 1\frac{2}{5} = 1.4
Graph
Tohaina
Kua tāruatia ki te papatopenga
15x=21
Pahekotia te -3x me 18x, ka 15x.
x=\frac{21}{15}
Whakawehea ngā taha e rua ki te 15.
x=\frac{7}{5}
Whakahekea te hautanga \frac{21}{15} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 3.
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