Whakaoti mō x
x=31-x_{3}
Whakaoti mō x_3
x_{3}=31-x
Graph
Tohaina
Kua tāruatia ki te papatopenga
x-1=30-x_{3}
Tangohia te x_{3} mai i ngā taha e rua.
x=30-x_{3}+1
Me tāpiri te 1 ki ngā taha e rua.
x=31-x_{3}
Tāpirihia te 30 ki te 1, ka 31.
x_{3}-1=30-x
Tangohia te x mai i ngā taha e rua.
x_{3}=30-x+1
Me tāpiri te 1 ki ngā taha e rua.
x_{3}=31-x
Tāpirihia te 30 ki te 1, ka 31.
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