Whakaoti mō A, B, C
A=2
B=0
C=7
Tohaina
Kua tāruatia ki te papatopenga
A=-B+2
Me whakaoti te A+B=2 mō A.
-B+2+C=9
Whakakapia te -B+2 mō te A i te whārite A+C=9.
B=7-C C=B+7
Me whakaoti te whārite tuarua mō B me te whārite tuatoru mō C.
C=7-C+7
Whakakapia te 7-C mō te B i te whārite C=B+7.
C=7
Me whakaoti te C=7-C+7 mō C.
B=7-7
Whakakapia te 7 mō te C i te whārite B=7-C.
B=0
Tātaitia te B i te B=7-7.
A=-0+2
Whakakapia te 0 mō te B i te whārite A=-B+2.
A=2
Tātaitia te A i te A=-0+2.
A=2 B=0 C=7
Kua oti te pūnaha te whakatau.
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