Whakaoti mō x
x=13
Graph
Tohaina
Kua tāruatia ki te papatopenga
x-7+x=19
Me tāpiri te x ki ngā taha e rua.
2x-7=19
Pahekotia te x me x, ka 2x.
2x=19+7
Me tāpiri te 7 ki ngā taha e rua.
2x=26
Tāpirihia te 19 ki te 7, ka 26.
x=\frac{26}{2}
Whakawehea ngā taha e rua ki te 2.
x=13
Whakawehea te 26 ki te 2, kia riro ko 13.
Ngā Tauira
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Whakarerekētanga
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