Whakaoti mō x
x=18
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=21+15
Me tāpiri te 15 ki ngā taha e rua.
2x=36
Tāpirihia te 21 ki te 15, ka 36.
x=\frac{36}{2}
Whakawehea ngā taha e rua ki te 2.
x=18
Whakawehea te 36 ki te 2, kia riro ko 18.
Ngā Tauira
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