Tīpoka ki ngā ihirangi matua
Whakaoti mō x
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Tohaina

-5x=15
Pahekotia te -2x me -3x, ka -5x.
x=\frac{15}{-5}
Whakawehea ngā taha e rua ki te -5.
x=-3
Whakawehea te 15 ki te -5, kia riro ko -3.