Whakaoti mō x
x = \frac{12}{5} = 2\frac{2}{5} = 2.4
Graph
Tohaina
Kua tāruatia ki te papatopenga
31x+16-11x=64
Tangohia te 11x mai i ngā taha e rua.
20x+16=64
Pahekotia te 31x me -11x, ka 20x.
20x=64-16
Tangohia te 16 mai i ngā taha e rua.
20x=48
Tangohia te 16 i te 64, ka 48.
x=\frac{48}{20}
Whakawehea ngā taha e rua ki te 20.
x=\frac{12}{5}
Whakahekea te hautanga \frac{48}{20} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 4.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
y = 3x + 4
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
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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}