Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

2x+1=x+2
Me whakakore te 3 ki ngā taha e rua.
2x+1-x=2
Tangohia te x mai i ngā taha e rua.
x+1=2
Pahekotia te 2x me -x, ka x.
x=2-1
Tangohia te 1 mai i ngā taha e rua.
x=1
Tangohia te 1 i te 2, ka 1.