Whakaoti mō x
x=5
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x=5x-10
Pahekotia te x me 2x, ka 3x.
3x-5x=-10
Tangohia te 5x mai i ngā taha e rua.
-2x=-10
Pahekotia te 3x me -5x, ka -2x.
x=\frac{-10}{-2}
Whakawehea ngā taha e rua ki te -2.
x=5
Whakawehea te -10 ki te -2, kia riro ko 5.
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]
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Whakarerekētanga
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