Whakaoti mō x
x=-8
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x+14+11=-31
Pahekotia te 5x me 2x, ka 7x.
7x+25=-31
Tāpirihia te 14 ki te 11, ka 25.
7x=-31-25
Tangohia te 25 mai i ngā taha e rua.
7x=-56
Tangohia te 25 i te -31, ka -56.
x=\frac{-56}{7}
Whakawehea ngā taha e rua ki te 7.
x=-8
Whakawehea te -56 ki te 7, kia riro ko -8.
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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Ngā Tepe
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