Whakaoti mō y
y=6
Graph
Tohaina
Kua tāruatia ki te papatopenga
-y-12+3y=0
Tangohia te 3 i te -9, ka -12.
-y+3y=12
Me tāpiri te 12 ki ngā taha e rua. Ko te tau i tāpiria he kore ka hua koia tonu.
2y=12
Pahekotia te -y me 3y, ka 2y.
y=\frac{12}{2}
Whakawehea ngā taha e rua ki te 2.
y=6
Whakawehea te 12 ki te 2, kia riro ko 6.
Ngā Tauira
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{ x } ^ { 2 } - 4 x - 5 = 0
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Arithmetic
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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
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}