3. Solve the following system of equations. 2x - y + 4z = 33
x + 2y - 3z= -26
-5x - 3y + 5z = 23

4 solve using Gaussian elimination show ur answer as a point (x, y,z)

Plz help

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54 km / hours

step-by-step explanation:

we need to convert seconds to hours

60 seconds = 1 minutes

60 minutes = 1hour

15 m         60 second   60 minutes

  * *         = 54000 meters/ hour

second     1 minute             1 hour

now we need to convert meters to km

1000 m = 1 km

54000 m       1 km

*   = 54 km / hours

hour               1000m