Whakaoti mō c
c=1
Tohaina
Kua tāruatia ki te papatopenga
9-4c+7c=12
Me tāpiri te 7c ki ngā taha e rua.
9+3c=12
Pahekotia te -4c me 7c, ka 3c.
3c=12-9
Tangohia te 9 mai i ngā taha e rua.
3c=3
Tangohia te 9 i te 12, ka 3.
c=\frac{3}{3}
Whakawehea ngā taha e rua ki te 3.
c=1
Whakawehea te 3 ki te 3, kia riro ko 1.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
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whārite paerangi
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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}