Whakaoti mō x_18200
x_{18200}=3200
Tohaina
Kua tāruatia ki te papatopenga
x_{18200}=21400-18200
Tangohia te 18200 mai i ngā taha e rua.
x_{18200}=3200
Tangohia te 18200 i te 21400, ka 3200.
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