Find x,y,z (solution set)

2x+y+32=13
x+3y-z=4
23x-2y+4z=11

3 answers

are you certain of the first equation?

I would use determinants to solve this.
Yes please. that's the given. Well It's a bit odd because i wanted to use Cramer's rule.
So, follow Reiny's suggestion, using determinants

You can verify your solution here:

http://ncalculators.com/matrix/cramers-rule-calculator.htm