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

Tohaina

x=6x-120
Whakamahia te āhuatanga tohatoha hei whakarea te 6 ki te x-20.
x-6x=-120
Tangohia te 6x mai i ngā taha e rua.
-5x=-120
Pahekotia te x me -6x, ka -5x.
x=\frac{-120}{-5}
Whakawehea ngā taha e rua ki te -5.
x=24
Whakawehea te -120 ki te -5, kia riro ko 24.