Whakaoti mō y
y = \frac{55}{3} = 18\frac{1}{3} \approx 18.333333333
Graph
Tohaina
Kua tāruatia ki te papatopenga
90+5+30+3y=180
Whakareatia te 3 ki te 30, ka 90.
95+30+3y=180
Tāpirihia te 90 ki te 5, ka 95.
125+3y=180
Tāpirihia te 95 ki te 30, ka 125.
3y=180-125
Tangohia te 125 mai i ngā taha e rua.
3y=55
Tangohia te 125 i te 180, ka 55.
y=\frac{55}{3}
Whakawehea ngā taha e rua ki te 3.
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