Homework Help: L Pre-Cal

Posted by Norah on Wednesday, January 26, 2011 at 7:43pm.

Hey! I'm getting stuck on how to solve this system of linear equations. Can anyone show me step by step Thanks!

3x-5y+5=1
5x-2y+3z=0
7x-y+3z=0

L Pre-Cal - helper, Wednesday, January 26, 2011 at 7:46pm
3x-5y+5=1
5x-2y+3z=0
7x-y+3z=0

Do you have a typo?
3x - 5y + 5? = 1

There is no z term in equation 1?
L Pre-Cal - Norah, Wednesday, January 26, 2011 at 7:52pm
yes that was a typo, my bad!
L Pre-Cal - Norah, Wednesday, January 26, 2011 at 7:53pm
Its supposed to be 3x-5y+5z=1

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