Whakaoti mō x
x=40
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x-60-2x=20
Tangohia te 2x mai i ngā taha e rua.
2x-60=20
Pahekotia te 4x me -2x, ka 2x.
2x=20+60
Me tāpiri te 60 ki ngā taha e rua.
2x=80
Tāpirihia te 20 ki te 60, ka 80.
x=\frac{80}{2}
Whakawehea ngā taha e rua ki te 2.
x=40
Whakawehea te 80 ki te 2, kia riro ko 40.
Ngā Tauira
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