Whakaoti mō y
y = \frac{7}{2} = 3\frac{1}{2} = 3.5
Graph
Tohaina
Kua tāruatia ki te papatopenga
35-22y=-42
Pahekotia te -42y me 20y, ka -22y.
-22y=-42-35
Tangohia te 35 mai i ngā taha e rua.
-22y=-77
Tangohia te 35 i te -42, ka -77.
y=\frac{-77}{-22}
Whakawehea ngā taha e rua ki te -22.
y=\frac{7}{2}
Whakahekea te hautanga \frac{-77}{-22} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -11.
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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Whakarerekētanga
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Whakaurunga
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
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