Whakaoti mō y
y=6
Graph
Tohaina
Kua tāruatia ki te papatopenga
-7y=-34-8
Tangohia te 8 mai i ngā taha e rua.
-7y=-42
Tangohia te 8 i te -34, ka -42.
y=\frac{-42}{-7}
Whakawehea ngā taha e rua ki te -7.
y=6
Whakawehea te -42 ki te -7, kia riro ko 6.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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Poukapa
\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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Whakarerekētanga
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Whakaurunga
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