Whakaoti mō x
x=\frac{3-3y}{2}
Whakaoti mō y
y=-\frac{2x}{3}+1
Graph
Tohaina
Kua tāruatia ki te papatopenga
4x=6-6y
Tangohia te 6y mai i ngā taha e rua.
\frac{4x}{4}=\frac{6-6y}{4}
Whakawehea ngā taha e rua ki te 4.
x=\frac{6-6y}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=\frac{3-3y}{2}
Whakawehe 6-6y ki te 4.
6y=6-4x
Tangohia te 4x mai i ngā taha e rua.
\frac{6y}{6}=\frac{6-4x}{6}
Whakawehea ngā taha e rua ki te 6.
y=\frac{6-4x}{6}
Mā te whakawehe ki te 6 ka wetekia te whakareanga ki te 6.
y=-\frac{2x}{3}+1
Whakawehe 6-4x ki te 6.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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]
whārite Simultaneous
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Whakarerekētanga
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\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}