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

Tohaina

3x-2=4x-2
Pahekotia te x me 2x, ka 3x.
3x-2-4x=-2
Tangohia te 4x mai i ngā taha e rua.
-x-2=-2
Pahekotia te 3x me -4x, ka -x.
-x=-2+2
Me tāpiri te 2 ki ngā taha e rua.
-x=0
Tāpirihia te -2 ki te 2, ka 0.
x=0
He ōrite te hua o ngā tau e rua ki 0 ina 0 tētahi o rāua te iti rawa. Tātemea kāore te -1 e ōrite ki 0, me ōrite pū te x ki 0.