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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

-36=21-y
Whakareatia ngā taha e rua o te whārite ki te 3.
21-y=-36
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
-y=-36-21
Tangohia te 21 mai i ngā taha e rua.
-y=-57
Tangohia te 21 i te -36, ka -57.
y=57
Me whakarea ngā taha e rua ki te -1.