Whakaoti mō n
n=5
Tohaina
Kua tāruatia ki te papatopenga
-4n+2-3n=-33
Tangohia te 3n mai i ngā taha e rua.
-7n+2=-33
Pahekotia te -4n me -3n, ka -7n.
-7n=-33-2
Tangohia te 2 mai i ngā taha e rua.
-7n=-35
Tangohia te 2 i te -33, ka -35.
n=\frac{-35}{-7}
Whakawehea ngā taha e rua ki te -7.
n=5
Whakawehea te -35 ki te -7, kia riro ko 5.
Ngā Tauira
whārite tapawhā
{ x } ^ { 2 } - 4 x - 5 = 0
Āhuahanga
4 \sin \theta \cos \theta = 2 \sin \theta
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
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Ngā Tepe
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}