Whakaoti mō x
x = \frac{17}{5} = 3\frac{2}{5} = 3.4
Graph
Tohaina
Kua tāruatia ki te papatopenga
7x-14=2x+3
Whakamahia te āhuatanga tohatoha hei whakarea te 7 ki te x-2.
7x-14-2x=3
Tangohia te 2x mai i ngā taha e rua.
5x-14=3
Pahekotia te 7x me -2x, ka 5x.
5x=3+14
Me tāpiri te 14 ki ngā taha e rua.
5x=17
Tāpirihia te 3 ki te 14, ka 17.
x=\frac{17}{5}
Whakawehea ngā taha e rua ki te 5.
Ngā Tauira
whārite tapawhā
{ 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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}