document.write( "Question 893846: 2x+4y+4z=42 find the values of x,y & z \n" ); document.write( "
Algebra.Com's Answer #541543 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
To find the value of 3 unknowns you need 3 independent equations, you only have one.
\n" ); document.write( "Please repost.
\n" ); document.write( "You can always set two values to zero and solve for the third.
\n" ); document.write( "(21,0,0)
\n" ); document.write( "(0,21/2,0)
\n" ); document.write( "(0,0,21/2)
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