SOLUTION: x+y=7 y+z=5 x+z=6 What is the solution set? this is a matrix

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Question 651566: x+y=7
y+z=5
x+z=6
What is the solution set? this is a matrix
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
x + y + 0 = 7
0 + y + z = 5
x + 0 + z = 6
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Use the matrix method X = A^-1*B to get:
x = 4
y = 3
z = 2
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Cheers,
Stan H.