Whakaoti mō x
x=\frac{3}{4}=0.75
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x\times 13-x-2x=27
Tāpirihia te 5 ki te 8, ka 13.
39x-x-2x=27
Whakareatia te 3 ki te 13, ka 39.
38x-2x=27
Pahekotia te 39x me -x, ka 38x.
36x=27
Pahekotia te 38x me -2x, ka 36x.
x=\frac{27}{36}
Whakawehea ngā taha e rua ki te 36.
x=\frac{3}{4}
Whakahekea te hautanga \frac{27}{36} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 9.
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