Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

2x+3=180
Pahekotia te x me x, ka 2x.
2x=180-3
Tangohia te 3 mai i ngā taha e rua.
2x=177
Tangohia te 3 i te 180, ka 177.
x=\frac{177}{2}
Whakawehea ngā taha e rua ki te 2.