Whakaoti mō x
x=22
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-2x-7=15
Hei kimi i te tauaro o 2x+7, kimihia te tauaro o ia taurangi.
x-7=15
Pahekotia te 3x me -2x, ka x.
x=15+7
Me tāpiri te 7 ki ngā taha e rua.
x=22
Tāpirihia te 15 ki te 7, ka 22.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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Arithmetic
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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}