Whakaoti mō z
z=-12
Tohaina
Kua tāruatia ki te papatopenga
-2z-24=0
Pahekotia te 6z me -8z, ka -2z.
-2z=24
Me tāpiri te 24 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
z=\frac{24}{-2}
Whakawehea ngā taha e rua ki te -2.
z=-12
Whakawehea te 24 ki te -2, kia riro ko -12.
Ngā Tauira
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