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

Tohaina

-2x-1=2-4x-3
Pahekotia te x me -3x, ka -2x.
-2x-1=-1-4x
Tangohia te 3 i te 2, ka -1.
-2x-1+4x=-1
Me tāpiri te 4x ki ngā taha e rua.
2x-1=-1
Pahekotia te -2x me 4x, ka 2x.
2x=-1+1
Me tāpiri te 1 ki ngā taha e rua.
2x=0
Tāpirihia te -1 ki te 1, 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 2 e ōrite ki 0, me ōrite pū te x ki 0.