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

Tohaina

5x=20-1
Tangohia te 1 mai i ngā taha e rua.
5x=19
Tangohia te 1 i te 20, ka 19.
x=\frac{19}{5}
Whakawehea ngā taha e rua ki te 5.