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

Tohaina

5x-7x=10
Tangohia te 7x mai i ngā taha e rua.
-2x=10
Pahekotia te 5x me -7x, ka -2x.
x=\frac{10}{-2}
Whakawehea ngā taha e rua ki te -2.
x=-5
Whakawehea te 10 ki te -2, kia riro ko -5.