Whakaoti mō x, y, z, a
a=-5
Tohaina
Kua tāruatia ki te papatopenga
2x+2-x=4
Whakaarohia te whārite tuatahi. Tangohia te x mai i ngā taha e rua.
x+2=4
Pahekotia te 2x me -x, ka x.
x=4-2
Tangohia te 2 mai i ngā taha e rua.
x=2
Tangohia te 2 i te 4, ka 2.
x=2 y=-5 z=-5 a=-5
Kua oti te pūnaha te whakatau.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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Poukapa
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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