Whakaoti mō y
y=-6
Graph
Tohaina
Kua tāruatia ki te papatopenga
-3y-30-5y=18
Tangohia te 5y mai i ngā taha e rua.
-8y-30=18
Pahekotia te -3y me -5y, ka -8y.
-8y=18+30
Me tāpiri te 30 ki ngā taha e rua.
-8y=48
Tāpirihia te 18 ki te 30, ka 48.
y=\frac{48}{-8}
Whakawehea ngā taha e rua ki te -8.
y=-6
Whakawehea te 48 ki te -8, kia riro ko -6.
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
699 * 533
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}