Whakaoti mō y
y=-\frac{1}{2}=-0.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
-10y=5
Ko te tau i tāpiria he kore ka hua koia tonu.
y=\frac{5}{-10}
Whakawehea ngā taha e rua ki te -10.
y=-\frac{1}{2}
Whakahekea te hautanga \frac{5}{-10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
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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