Whakaoti mō x, y
x=18
y=-5
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x=100-10
Whakaarohia te whārite tuarua. Tangohia te 10 mai i ngā taha e rua.
5x=90
Tangohia te 10 i te 100, ka 90.
x=\frac{90}{5}
Whakawehea ngā taha e rua ki te 5.
x=18
Whakawehea te 90 ki te 5, kia riro ko 18.
18+y=13
Whakaarohia te whārite tuatahi. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
y=13-18
Tangohia te 18 mai i ngā taha e rua.
y=-5
Tangohia te 18 i te 13, ka -5.
x=18 y=-5
Kua oti te pūnaha te whakatau.
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