Whakaoti mō y
y=20
Graph
Tohaina
Kua tāruatia ki te papatopenga
30+3y=90
Pahekotia te 2y me y, ka 3y.
3y=90-30
Tangohia te 30 mai i ngā taha e rua.
3y=60
Tangohia te 30 i te 90, ka 60.
y=\frac{60}{3}
Whakawehea ngā taha e rua ki te 3.
y=20
Whakawehea te 60 ki te 3, kia riro ko 20.
Ngā Tauira
whārite tapawhā
{ 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
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