Whakaoti mō y
y=\frac{x+7}{2}
Whakaoti mō x
x=2y-7
Graph
Tohaina
Kua tāruatia ki te papatopenga
2y-7=x
Whakawhitihia ngā taha kia puta ki te taha mauī ngā kīanga tau taurangi katoa.
2y=x+7
Me tāpiri te 7 ki ngā taha e rua.
\frac{2y}{2}=\frac{x+7}{2}
Whakawehea ngā taha e rua ki te 2.
y=\frac{x+7}{2}
Mā te whakawehe ki te 2 ka wetekia te whakareanga ki te 2.
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]
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