Whakaoti mō y
y=\frac{55-x}{4}
Whakaoti mō x
x=55-4y
Graph
Tohaina
Kua tāruatia ki te papatopenga
4y=55-x
Tangohia te x mai i ngā taha e rua.
\frac{4y}{4}=\frac{55-x}{4}
Whakawehea ngā taha e rua ki te 4.
y=\frac{55-x}{4}
Mā te whakawehe ki te 4 ka wetekia te whakareanga ki te 4.
x=55-4y
Tangohia te 4y mai i ngā taha e rua.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
whārite paerangi
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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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Whakaurunga
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Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}