Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-9+9x+21x=-2x+1
Tangohia te 15 i te 6, ka -9.
-9+30x=-2x+1
Pahekotia te 9x me 21x, ka 30x.
-9+30x+2x=1
Me tāpiri te 2x ki ngā taha e rua.
-9+32x=1
Pahekotia te 30x me 2x, ka 32x.
32x=1+9
Me tāpiri te 9 ki ngā taha e rua.
32x=10
Tāpirihia te 1 ki te 9, ka 10.
x=\frac{10}{32}
Whakawehea ngā taha e rua ki te 32.
x=\frac{5}{16}
Whakahekea te hautanga \frac{10}{32} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.