Whakaoti mō x
x=20
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-8-x=32
Tangohia te x mai i ngā taha e rua.
2x-8=32
Pahekotia te 3x me -x, ka 2x.
2x=32+8
Me tāpiri te 8 ki ngā taha e rua.
2x=40
Tāpirihia te 32 ki te 8, ka 40.
x=\frac{40}{2}
Whakawehea ngā taha e rua ki te 2.
x=20
Whakawehea te 40 ki te 2, kia riro ko 20.
Ngā Tauira
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whārite Simultaneous
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Whakarerekētanga
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