How do you solve 4r + 5s - 3t = 9, 6r - 3s + 1t = 67, 2r + 0s + 1t = 22?
1 Answer
Mar 5, 2016
Explanation:
This system of variables is equal to
We can solve it in this way
Finally
r=(Delta r)/Delta=(-450)/-50=9
s=(Delta s)/Delta=150/-50=-3
t=(Delta t)/Delta=(-200)/-50=4