Whakaoti mō x
x=8
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x=2\times 7+2
Whakareatia ngā taha e rua o te whārite ki te 7.
2x=14+2
Whakareatia te 2 ki te 7, ka 14.
2x=16
Tāpirihia te 14 ki te 2, ka 16.
x=\frac{16}{2}
Whakawehea ngā taha e rua ki te 2.
x=8
Whakawehea te 16 ki te 2, kia riro ko 8.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}