Whakaoti mō y
y=218
Graph
Tohaina
Kua tāruatia ki te papatopenga
22\times 10-y=2
Tāpirihia te 6 ki te 4, ka 10.
220-y=2
Whakareatia te 22 ki te 10, ka 220.
-y=2-220
Tangohia te 220 mai i ngā taha e rua.
-y=-218
Tangohia te 220 i te 2, ka -218.
y=218
Me whakarea ngā taha e rua ki te -1.
Ngā Tauira
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