Whakaoti mō x, y, z, a
a=8
Tohaina
Kua tāruatia ki te papatopenga
2x+1=-1
Whakaarohia te whārite tuatahi. Tangohia te 4 i te 5, ka 1.
2x=-1-1
Tangohia te 1 mai i ngā taha e rua.
2x=-2
Tangohia te 1 i te -1, ka -2.
x=\frac{-2}{2}
Whakawehea ngā taha e rua ki te 2.
x=-1
Whakawehea te -2 ki te 2, kia riro ko -1.
x=-1 y=8 z=8 a=8
Kua oti te pūnaha te whakatau.
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