Whakaoti mō w
w=3
Tohaina
Kua tāruatia ki te papatopenga
-2w+2+7w=17
Me tāpiri te 7w ki ngā taha e rua.
5w+2=17
Pahekotia te -2w me 7w, ka 5w.
5w=17-2
Tangohia te 2 mai i ngā taha e rua.
5w=15
Tangohia te 2 i te 17, ka 15.
w=\frac{15}{5}
Whakawehea ngā taha e rua ki te 5.
w=3
Whakawehea te 15 ki te 5, kia riro ko 3.
Ngā Tauira
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