Whakaoti mō x
x=2
Graph
Tohaina
Kua tāruatia ki te papatopenga
-20=-10x
Pahekotia te -4x me -6x, ka -10x.
-10x=-20
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
x=\frac{-20}{-10}
Whakawehea ngā taha e rua ki te -10.
x=2
Whakawehea te -20 ki te -10, kia riro ko 2.
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