Whakaoti mō x
x=-3
Graph
Tohaina
Kua tāruatia ki te papatopenga
3x+15=2x+12
Whakamahia te āhuatanga tohatoha hei whakarea te 2 ki te x+6.
3x+15-2x=12
Tangohia te 2x mai i ngā taha e rua.
x+15=12
Pahekotia te 3x me -2x, ka x.
x=12-15
Tangohia te 15 mai i ngā taha e rua.
x=-3
Tangohia te 15 i te 12, ka -3.
Ngā Tauira
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Arithmetic
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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
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}