Whakaoti mō B
B=7-C
Whakaoti mō C
C=7-B
Tohaina
Kua tāruatia ki te papatopenga
1B+C=7
Ka whakawehea he tau ki te tahi, hua ai ko ia anō.
1B=7-C
Tangohia te C mai i ngā taha e rua.
B=-C+7
Whakaraupapatia anō ngā kīanga tau.
1B+C=7
Ka whakawehea he tau ki te tahi, hua ai ko ia anō.
C=7-B
Tangohia te 1B mai i ngā taha e rua.
Ngā Tauira
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