Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

0.1-2x=0.078
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-2x=0.078-0.1
Tangohia te 0.1 mai i ngā taha e rua.
-2x=-0.022
Tangohia te 0.1 i te 0.078, ka -0.022.
x=\frac{-0.022}{-2}
Whakawehea ngā taha e rua ki te -2.
x=\frac{-22}{-2000}
Whakarohaina te \frac{-0.022}{-2} mā te whakarea i te taurunga me te tauraro ki te 1000.
x=\frac{11}{1000}
Whakahekea te hautanga \frac{-22}{-2000} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -2.