document.write( "Question 246827: I've got to use Cramer's rule on this one, and I just don't know how.\r
\n" ); document.write( "\n" ); document.write( "2x+z=-10
\n" ); document.write( "y-z=15
\n" ); document.write( "x-2y+z=-5\r
\n" ); document.write( "\n" ); document.write( "I know how to solve 3x3 problems, but I don't know what to do for the missing variables in this one. Help!!
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Algebra.Com's Answer #180152 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
The missing variable has a zero multiplier.
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