Whakaoti mō x
x=-\frac{2}{5}=-0.4
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x=6-8
Tangohia te 8 mai i ngā taha e rua.
5x=-2
Tangohia te 8 i te 6, ka -2.
x=\frac{-2}{5}
Whakawehea ngā taha e rua ki te 5.
x=-\frac{2}{5}
Ka taea te hautanga \frac{-2}{5} te tuhi anō ko -\frac{2}{5} mā te tango i te tohu tōraro.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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\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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