Whakaoti mō x
x=\frac{23-y}{9}
Whakaoti mō y
y=23-9x
Graph
Tohaina
Kua tāruatia ki te papatopenga
9x=23-y
Tangohia te y mai i ngā taha e rua.
\frac{9x}{9}=\frac{23-y}{9}
Whakawehea ngā taha e rua ki te 9.
x=\frac{23-y}{9}
Mā te whakawehe ki te 9 ka wetekia te whakareanga ki te 9.
y=23-9x
Tangohia te 9x mai i ngā taha e rua.
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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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}