document.write( "Question 256278: Find Y:\r
\n" ); document.write( "\n" ); document.write( "X+2Y-Z=-6
\n" ); document.write( "3x-y+2z=17
\n" ); document.write( "-5X+y-3z=-26\r
\n" ); document.write( "\n" ); document.write( "I tried substitution but i don't know I always do one little thing wrong and can't figure it out.\r
\n" ); document.write( "\n" ); document.write( "Please help.
\n" ); document.write( "Thankyou
\n" ); document.write( "

Algebra.Com's Answer #188439 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Are X, Y and Z in the first supposed to be the same x y and z in the other equations?
\n" ); document.write( "Then use all capital letters or all small letters(preferred).
\n" ); document.write( "X is not the same as x
\n" ); document.write( "x=1 y=0 z=7
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