Whakaoti mō x
x = \frac{17}{5} = 3\frac{2}{5} = 3.4
Graph
Tohaina
Kua tāruatia ki te papatopenga
70x-20-20x=150
Tangohia te 20x mai i ngā taha e rua.
50x-20=150
Pahekotia te 70x me -20x, ka 50x.
50x=150+20
Me tāpiri te 20 ki ngā taha e rua.
50x=170
Tāpirihia te 150 ki te 20, ka 170.
x=\frac{170}{50}
Whakawehea ngā taha e rua ki te 50.
x=\frac{17}{5}
Whakahekea te hautanga \frac{170}{50} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.
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