Whakaoti mō x
x=-\frac{3}{7}\approx -0.428571429
Graph
Pātaitai
Linear Equation
5 raruraru e ōrite ana ki:
\frac { x - 1 } { 5 } = \frac { x - 2 x - 1 } { 2 }
Tohaina
Kua tāruatia ki te papatopenga
2\left(x-1\right)=5\left(x-2x-1\right)
Me whakarea ngā taha e rua o te whārite ki te 10, arā, te tauraro pātahi he tino iti rawa te kitea o 5,2.
2x-2=5\left(x-2x-1\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x-1.
2x-2=5\left(-x-1\right)
Pahekotia te x me -2x, ka -x.
2x-2=-5x-5
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te -x-1.
2x-2+5x=-5
Me tāpiri te 5x ki ngā taha e rua.
7x-2=-5
Pahekotia te 2x me 5x, ka 7x.
7x=-5+2
Me tāpiri te 2 ki ngā taha e rua.
7x=-3
Tāpirihia te -5 ki te 2, ka -3.
x=\frac{-3}{7}
Whakawehea ngā taha e rua ki te 7.
x=-\frac{3}{7}
Ka taea te hautanga \frac{-3}{7} te tuhi anō ko -\frac{3}{7} mā te tango i te tohu tōraro.
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}