Whakaoti mō m
m = \frac{15}{2} = 7\frac{1}{2} = 7.5
Tohaina
Kua tāruatia ki te papatopenga
126+4m-8m=96
Tangohia te 8m mai i ngā taha e rua.
126-4m=96
Pahekotia te 4m me -8m, ka -4m.
-4m=96-126
Tangohia te 126 mai i ngā taha e rua.
-4m=-30
Tangohia te 126 i te 96, ka -30.
m=\frac{-30}{-4}
Whakawehea ngā taha e rua ki te -4.
m=\frac{15}{2}
Whakahekea te hautanga \frac{-30}{-4} ki ōna wāhi pāpaku rawa mā te tango me te whakakore i te -2.
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
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
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}