Whakaoti mō x
x=-\frac{y}{2}
Whakaoti mō y
y=-2x
Graph
Tohaina
Kua tāruatia ki te papatopenga
-2x=y
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
\frac{-2x}{-2}=\frac{y}{-2}
Whakawehea ngā taha e rua ki te -2.
x=\frac{y}{-2}
Mā te whakawehe ki te -2 ka wetekia te whakareanga ki te -2.
x=-\frac{y}{2}
Whakawehe y ki te -2.
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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