Whakaoti mō y
y = \frac{2347}{9} = 260\frac{7}{9} \approx 260.777777778
Graph
Tohaina
Kua tāruatia ki te papatopenga
16+10y=4710-4y-4y
Tāpirihia te 7 ki te 9, ka 16.
16+10y=4710-8y
Pahekotia te -4y me -4y, ka -8y.
16+10y+8y=4710
Me tāpiri te 8y ki ngā taha e rua.
16+18y=4710
Pahekotia te 10y me 8y, ka 18y.
18y=4710-16
Tangohia te 16 mai i ngā taha e rua.
18y=4694
Tangohia te 16 i te 4710, ka 4694.
y=\frac{4694}{18}
Whakawehea ngā taha e rua ki te 18.
y=\frac{2347}{9}
Whakahekea te hautanga \frac{4694}{18} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te 2.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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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]
whārite Simultaneous
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Whakarerekētanga
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Whakaurunga
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Ngā Tepe
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