Whakaoti mō x
x=\frac{2}{3}\approx 0.666666667
Graph
Tohaina
Kua tāruatia ki te papatopenga
5x-7+2x=x-3
Tangohia te 2 i te -5, ka -7.
7x-7=x-3
Pahekotia te 5x me 2x, ka 7x.
7x-7-x=-3
Tangohia te x mai i ngā taha e rua.
6x-7=-3
Pahekotia te 7x me -x, ka 6x.
6x=-3+7
Me tāpiri te 7 ki ngā taha e rua.
6x=4
Tāpirihia te -3 ki te 7, ka 4.
x=\frac{4}{6}
Whakawehea ngā taha e rua ki te 6.
x=\frac{2}{3}
Whakahekea te hautanga \frac{4}{6} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
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}