Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Graph

Ngā Raru Ōrite mai i te Rapu Tukutuku

Tohaina

20x-30x=0
Tangohia te 30x mai i ngā taha e rua.
-10x=0
Pahekotia te 20x me -30x, ka -10x.
x=0
He ōrite te hua o ngā tau e rua ki 0 ina 0 tētahi o rāua te iti rawa. Tātemea kāore te -10 e ōrite ki 0, me ōrite pū te x ki 0.