Whakaoti mō x
x = \frac{827}{63} = 13\frac{8}{63} \approx 13.126984127
Graph
Tohaina
Kua tāruatia ki te papatopenga
14+25x-75+38\left(x-15-3\right)=82
Whakamahia te āhuatanga tohatoha hei whakarea te 25 ki te x-3.
-61+25x+38\left(x-15-3\right)=82
Tangohia te 75 i te 14, ka -61.
-61+25x+38\left(x-18\right)=82
Tangohia te 3 i te -15, ka -18.
-61+25x+38x-684=82
Whakamahia te āhuatanga tohatoha hei whakarea te 38 ki te x-18.
-61+63x-684=82
Pahekotia te 25x me 38x, ka 63x.
-745+63x=82
Tangohia te 684 i te -61, ka -745.
63x=82+745
Me tāpiri te 745 ki ngā taha e rua.
63x=827
Tāpirihia te 82 ki te 745, ka 827.
x=\frac{827}{63}
Whakawehea ngā taha e rua ki te 63.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
y = 3x + 4
Arithmetic
699 * 533
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
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
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}