Whakaoti mō x
x = -\frac{5}{2} = -2\frac{1}{2} = -2.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
10x=-25
Tangohia te 25 mai i ngā taha e rua. Ko te tau i tango i te kore ka hua ko tōna korenga.
x=\frac{-25}{10}
Whakawehea ngā taha e rua ki te 10.
x=-\frac{5}{2}
Whakahekea te hautanga \frac{-25}{10} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 5.
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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