Whakaoti mō w
w=5
Tohaina
Kua tāruatia ki te papatopenga
19=15w-12w+4
Whakamahia te āhuatanga tohatoha hei whakarea te -4 ki te 3w-1.
19=3w+4
Pahekotia te 15w me -12w, ka 3w.
3w+4=19
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
3w=19-4
Tangohia te 4 mai i ngā taha e rua.
3w=15
Tangohia te 4 i te 19, ka 15.
w=\frac{15}{3}
Whakawehea ngā taha e rua ki te 3.
w=5
Whakawehea te 15 ki te 3, kia riro ko 5.
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