document.write( "Question 810684: x+y+z=19 and 5x+2y+1/4z=40 \n" ); document.write( "
Algebra.Com's Answer #488389 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
Not enough info.
\n" ); document.write( "Three unknowns generally needs three equations
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