Whakaoti mō x
x=-\frac{1}{5}=-0.2
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x-6+5\left(x+1\right)=-2\left(x+4\right)+5
Whakamahia te āhuatanga tohatoha hei whakarea te 3 ki te x-2.
3x-6+5x+5=-2\left(x+4\right)+5
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te x+1.
8x-6+5=-2\left(x+4\right)+5
Pahekotia te 3x me 5x, ka 8x.
8x-1=-2\left(x+4\right)+5
Tāpirihia te -6 ki te 5, ka -1.
8x-1=-2x-8+5
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te x+4.
8x-1=-2x-3
Tāpirihia te -8 ki te 5, ka -3.
8x-1+2x=-3
Me tāpiri te 2x ki ngā taha e rua.
10x-1=-3
Pahekotia te 8x me 2x, ka 10x.
10x=-3+1
Me tāpiri te 1 ki ngā taha e rua.
10x=-2
Tāpirihia te -3 ki te 1, ka -2.
x=\frac{-2}{10}
Whakawehea ngā taha e rua ki te 10.
x=-\frac{1}{5}
Whakahekea te hautanga \frac{-2}{10} 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
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}