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

Tohaina

43x=-86
Pahekotia te 64x me -21x, ka 43x.
x=\frac{-86}{43}
Whakawehea ngā taha e rua ki te 43.
x=-2
Whakawehea te -86 ki te 43, kia riro ko -2.