Whakaoti mō x
x=3
Graph
Tohaina
Kua tāruatia ki te papatopenga
-5\left(5x-7\right)=4\left(3x-19\right)
Tē taea kia ōrite te tāupe x ki \frac{19}{3} nā te kore tautuhi i te whakawehenga mā te kore. Me whakarea ngā taha e rua o te whārite ki te 5\left(3x-19\right), arā, te tauraro pātahi he tino iti rawa te kitea o 19-3x,5.
-25x+35=4\left(3x-19\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -5 ki te 5x-7.
-25x+35=12x-76
Whakamahia te āhuatanga tohatoha hei whakarea te 4 ki te 3x-19.
-25x+35-12x=-76
Tangohia te 12x mai i ngā taha e rua.
-37x+35=-76
Pahekotia te -25x me -12x, ka -37x.
-37x=-76-35
Tangohia te 35 mai i ngā taha e rua.
-37x=-111
Tangohia te 35 i te -76, ka -111.
x=\frac{-111}{-37}
Whakawehea ngā taha e rua ki te -37.
x=3
Whakawehea te -111 ki te -37, kia riro ko 3.
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}