Whakaoti mō x
x=-17
Graph
Tohaina
Kua tāruatia ki te papatopenga
9-3x-12=48
Whakamahia te āhuatanga tohatoha hei whakarea te -3 ki te x+4.
-3-3x=48
Tangohia te 12 i te 9, ka -3.
-3x=48+3
Me tāpiri te 3 ki ngā taha e rua.
-3x=51
Tāpirihia te 48 ki te 3, ka 51.
x=\frac{51}{-3}
Whakawehea ngā taha e rua ki te -3.
x=-17
Whakawehea te 51 ki te -3, kia riro ko -17.
Ngā Tauira
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\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]
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Whakarerekētanga
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\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}