Whakaoti mō x
x=-1
Graph
Tohaina
Kua tāruatia ki te papatopenga
8x+32-2\left(x-2\right)=5\left(x+7\right)
Whakamahia te āhuatanga tohatoha hei whakarea te 8 ki te x+4.
8x+32-2x+4=5\left(x+7\right)
Whakamahia te āhuatanga tohatoha hei whakarea te -2 ki te x-2.
6x+32+4=5\left(x+7\right)
Pahekotia te 8x me -2x, ka 6x.
6x+36=5\left(x+7\right)
Tāpirihia te 32 ki te 4, ka 36.
6x+36=5x+35
Whakamahia te āhuatanga tohatoha hei whakarea te 5 ki te x+7.
6x+36-5x=35
Tangohia te 5x mai i ngā taha e rua.
x+36=35
Pahekotia te 6x me -5x, ka x.
x=35-36
Tangohia te 36 mai i ngā taha e rua.
x=-1
Tangohia te 36 i te 35, ka -1.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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}