Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

2x-3-x>-3
Tangohia te x mai i ngā taha e rua.
x-3>-3
Pahekotia te 2x me -x, ka x.
x>-3+3
Me tāpiri te 3 ki ngā taha e rua.
x>0
Tāpirihia te -3 ki te 3, ka 0.