Whakaoti mō X_2
X_{2}=2
Tohaina
Kua tāruatia ki te papatopenga
125X_{2}=375-125
Tangohia te 125 mai i ngā taha e rua.
125X_{2}=250
Tangohia te 125 i te 375, ka 250.
X_{2}=\frac{250}{125}
Whakawehea ngā taha e rua ki te 125.
X_{2}=2
Whakawehea te 250 ki te 125, kia riro ko 2.
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