SOLUTION: solve the system of equations x+5y+3z=4 4y+2z=6 z=-3

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Question 45902: solve the system of equations
x+5y+3z=4
4y+2z=6
z=-3
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
z = -3
4y+%2B+2z+=+6
4y+-+6+=+6
4y+=+12
y = 3
x+%2B+5y+%2B+3z+=+4
x+%2B+5%283%29+%2B+3%28-3%29+=+4
x+%2B+15+-+9+=+4
x+%2B+6+=+4
x = -2
(-2,3,-3)