Whakaoti mō n
n=\frac{7-2x}{3}
Whakaoti mō x
x=\frac{7-3n}{2}
Graph
Tohaina
Kua tāruatia ki te papatopenga
3n=7-2x
Tangohia te 2x mai i ngā taha e rua.
\frac{3n}{3}=\frac{7-2x}{3}
Whakawehea ngā taha e rua ki te 3.
n=\frac{7-2x}{3}
Mā te whakawehe ki te 3 ka wetekia te whakareanga ki te 3.
2x=7-3n
Tangohia te 3n mai i ngā taha e rua.
\frac{2x}{2}=\frac{7-3n}{2}
Whakawehea ngā taha e rua ki te 2.
x=\frac{7-3n}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
Ngā Tauira
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