Whakaoti mō y
y=\frac{3}{7}\approx 0.428571429
Graph
Tohaina
Kua tāruatia ki te papatopenga
12+7y=15
Whakareatia te 3 ki te 4, ka 12.
7y=15-12
Tangohia te 12 mai i ngā taha e rua.
7y=3
Tangohia te 12 i te 15, ka 3.
y=\frac{3}{7}
Whakawehea ngā taha e rua ki te 7.
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