Whakaoti mō p
p=-\frac{q}{4}+30
Whakaoti mō q
q=120-4p
Tohaina
Kua tāruatia ki te papatopenga
4p+q=180-60
Tangohia te 60 mai i ngā taha e rua.
4p+q=120
Tangohia te 60 i te 180, ka 120.
4p=120-q
Tangohia te q mai i ngā taha e rua.
\frac{4p}{4}=\frac{120-q}{4}
Whakawehea ngā taha e rua ki te 4.
p=\frac{120-q}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
p=-\frac{q}{4}+30
Whakawehe 120-q ki te 4.
4p+q=180-60
Tangohia te 60 mai i ngā taha e rua.
4p+q=120
Tangohia te 60 i te 180, ka 120.
q=120-4p
Tangohia te 4p mai i ngā taha e rua.
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