Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. 3x + 5y - 2w = -13 2x + 7z - w = -1 4y + 3z + 3w = 1 -x + 2y + 4z = -5

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Solve the system of equations using matrices. Use Gaussian elimination with back-substitution. 3x + 5y - 2w = -13 2x + 7z - w = -1 4y + 3z + 3w = 1 -x + 2y + 4z = -5

Mathematics
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4 variables, 4 equations..... you can solve each value...
not really but i can try

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Other answers:

@Vocaloid would you like to try this one?
3x + 5y - 2w = -13 x=3
2x + 7z - w = -1 x=2
sorry x= -2
am i getting these right
-x + 2y + 4z = -5 x=4
no not like that.... i will solve it, wait....
ohh ok
you have to solve one equation for one varialble, here2x=-13-5y+2w now put this in second equation.... 2x+7z-w=-1 =>-13-5y+2w+7z-w=-1
You have to do like this okay?
yeah im lost
is the answer a
suppose x+y=15 and 2x+8y=10 we solve x and y. same way we are solving 4 variables

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