Whakaoti mō x
x=-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
14x+11-4x=-19
Tangohia te 4x mai i ngā taha e rua.
10x+11=-19
Pahekotia te 14x me -4x, ka 10x.
10x=-19-11
Tangohia te 11 mai i ngā taha e rua.
10x=-30
Tangohia te 11 i te -19, ka -30.
x=\frac{-30}{10}
Whakawehea ngā taha e rua ki te 10.
x=-3
Whakawehea te -30 ki te 10, kia riro ko -3.
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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Ngā Tepe
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