document.write( "Question 928908: not sure what exactly this is on: solve the system. If the system has infinitely many solutions, write the set with z arbitrary.\r
\n" ); document.write( "\n" ); document.write( "5x-3y+z=0
\n" ); document.write( "x+y=0
\n" ); document.write( "-15x+9y-3z+0\r
\n" ); document.write( "\n" ); document.write( "thank you
\n" ); document.write( "

Algebra.Com's Answer #563963 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!
3(5x-3y+z=0)
\n" ); document.write( " -15x+9y-3z=0
\n" ); document.write( "0 = 0 Infinite solutions
\n" ); document.write( "............
\n" ); document.write( "x+y=0 y = -x
\n" ); document.write( "let z = a
\n" ); document.write( "5x-3y+z=0
\n" ); document.write( "5x + 3x + a = 0
\n" ); document.write( "x = -a/8
\n" ); document.write( "......x = -y
\n" ); document.write( "-5y-3y+a=0
\n" ); document.write( "y = a/8
\n" ); document.write( "Using z = a
\n" ); document.write( "(-a/8, a/8, a)
\n" ); document.write( "
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