Whakaoti mō s
s=-1
Tohaina
Kua tāruatia ki te papatopenga
3-2s+2=13+6s
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te s-1.
5-2s=13+6s
Tāpirihia te 3 ki te 2, ka 5.
5-2s-6s=13
Tangohia te 6s mai i ngā taha e rua.
5-8s=13
Pahekotia te -2s me -6s, ka -8s.
-8s=13-5
Tangohia te 5 mai i ngā taha e rua.
-8s=8
Tangohia te 5 i te 13, ka 8.
s=\frac{8}{-8}
Whakawehea ngā taha e rua ki te -8.
s=-1
Whakawehea te 8 ki te -8, kia riro ko -1.
Ngā Tauira
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