Whakaoti mō x
x=-\frac{1}{3}\approx -0.333333333
Graph
Pātaitai
Linear Equation
5 raruraru e ōrite ana ki:
3 x - ( - 7 x + 2 ) = x - 2 ( 6 x + 5 ) + ( - 2 - 9 x )
Tohaina
Kua tāruatia ki te papatopenga
3x-\left(-7x\right)-2=x-2\left(6x+5\right)-2-9x
Hei kimi i te tauaro o -7x+2, kimihia te tauaro o ia taurangi.
3x+7x-2=x-2\left(6x+5\right)-2-9x
Ko te tauaro o -7x ko 7x.
10x-2=x-2\left(6x+5\right)-2-9x
Pahekotia te 3x me 7x, ka 10x.
10x-2=x-12x-10-2-9x
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te 6x+5.
10x-2=-11x-10-2-9x
Pahekotia te x me -12x, ka -11x.
10x-2=-11x-12-9x
Tangohia te 2 i te -10, ka -12.
10x-2=-20x-12
Pahekotia te -11x me -9x, ka -20x.
10x-2+20x=-12
Me tāpiri te 20x ki ngā taha e rua.
30x-2=-12
Pahekotia te 10x me 20x, ka 30x.
30x=-12+2
Me tāpiri te 2 ki ngā taha e rua.
30x=-10
Tāpirihia te -12 ki te 2, ka -10.
x=\frac{-10}{30}
Whakawehea ngā taha e rua ki te 30.
x=-\frac{1}{3}
Whakahekea te hautanga \frac{-10}{30} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 10.
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}