Whakaoti mō x
x=-\frac{5}{21}\approx -0.238095238
Graph
Tohaina
Kua tāruatia ki te papatopenga
-16x+8=28+14x-10+12x
Pahekotia te 6x me -22x, ka -16x.
-16x+8=18+14x+12x
Tangohia te 10 i te 28, ka 18.
-16x+8=18+26x
Pahekotia te 14x me 12x, ka 26x.
-16x+8-26x=18
Tangohia te 26x mai i ngā taha e rua.
-42x+8=18
Pahekotia te -16x me -26x, ka -42x.
-42x=18-8
Tangohia te 8 mai i ngā taha e rua.
-42x=10
Tangohia te 8 i te 18, ka 10.
x=\frac{10}{-42}
Whakawehea ngā taha e rua ki te -42.
x=-\frac{5}{21}
Whakahekea te hautanga \frac{10}{-42} 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}