Whakaoti mō y, x
x=4
y=4
Graph
Pātaitai
Algebra
\left. \begin{array} { l } { y = 4 \sqrt { x } - x } \\ { x = 4 } \end{array} \right.
Tohaina
Kua tāruatia ki te papatopenga
y=4\sqrt{4}-4
Whakaarohia te whārite tuatahi. Me kōkuhu ngā uara tāupe mōhiotia ki te whārite.
y=4\times 2-4
Tātaitia te pūtakerua o 4 kia tae ki 2.
y=8-4
Whakareatia te 4 ki te 2, ka 8.
y=4
Tangohia te 4 i te 8, ka 4.
y=4 x=4
Kua oti te pūnaha te whakatau.
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