Whakaoti mō x
x=7
Graph
Tohaina
Kua tāruatia ki te papatopenga
2x+6+5=x+18
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+3.
2x+11=x+18
Tāpirihia te 6 ki te 5, ka 11.
2x+11-x=18
Tangohia te x mai i ngā taha e rua.
x+11=18
Pahekotia te 2x me -x, ka x.
x=18-11
Tangohia te 11 mai i ngā taha e rua.
x=7
Tangohia te 11 i te 18, ka 7.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
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whārite paerangi
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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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}