Whakaoti mō x
x=26
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-9=5x-4+3\left(7-x\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-3.
3x-9=5x-4+21-3x
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te 7-x.
3x-9=5x+17-3x
Tāpirihia te -4 ki te 21, ka 17.
3x-9=2x+17
Pahekotia te 5x me -3x, ka 2x.
3x-9-2x=17
Tangohia te 2x mai i ngā taha e rua.
x-9=17
Pahekotia te 3x me -2x, ka x.
x=17+9
Me tāpiri te 9 ki ngā taha e rua.
x=26
Tāpirihia te 17 ki te 9, ka 26.
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}