Whakaoti mō x, y, z
z=5
Tohaina
Kua tāruatia ki te papatopenga
x-36+0\times 38=4
Whakaarohia te whārite tuatahi. Whakareatia te 18 ki te 2, ka 36.
x-36+0=4
Whakareatia te 0 ki te 38, ka 0.
x-36=4
Tāpirihia te -36 ki te 0, ka -36.
x=4+36
Me tāpiri te 36 ki ngā taha e rua.
x=40
Tāpirihia te 4 ki te 36, ka 40.
x=40 y=5 z=5
Kua oti te pūnaha te whakatau.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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