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Pgpujan
May 9, 2012, 06:58 AM
solve
x+y+z=3
x-2y+3z=2
2x-y+z=2?
Curlyben
May 9, 2012, 06:59 AM
You need to rearrange the terms and plug them back in.
What have you done so far as we won't do the work for you.