Whakaoti mō x
x=40
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x-8-10=x+22
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x-4.
2x-18=x+22
Tangohia te 10 i te -8, ka -18.
2x-18-x=22
Tangohia te x mai i ngā taha e rua.
x-18=22
Pahekotia te 2x me -x, ka x.
x=22+18
Me tāpiri te 18 ki ngā taha e rua.
x=40
Tāpirihia te 22 ki te 18, ka 40.
Ngā Tauira
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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}