Whakaoti mō x
x=\frac{2}{11}\approx 0.181818182
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+11+9x=13
Me tāpiri te 9x ki ngā taha e rua.
11x+11=13
Pahekotia te 2x me 9x, ka 11x.
11x=13-11
Tangohia te 11 mai i ngā taha e rua.
11x=2
Tangohia te 11 i te 13, ka 2.
x=\frac{2}{11}
Whakawehea ngā taha e rua ki te 11.
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