document.write( "Question 406673: My question is...solve for x, y, z.
\n" ); document.write( "2x+5y+z=22
\n" ); document.write( "3x-3y-z=-22
\n" ); document.write( "5x+y+2z=-3\r
\n" ); document.write( "\n" ); document.write( "I have...
\n" ); document.write( " 2x+5y+z=22 -4x-10y-2z=44 45x+18y=0
\n" ); document.write( " 3x-3y-z=-22 5x+ y+ 2z=-3 10x-18y=-41
\n" ); document.write( " ___________ ____________ __________
\n" ); document.write( " 5x+2y =0 5x-9y =41\r
\n" ); document.write( "\n" ); document.write( "I keep coming up with a fractionfor the last step. \n" ); document.write( "

Algebra.Com's Answer #286894 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!


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document.write( "Hi
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document.write( "2x+5y+z=22
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document.write( "3x-3y-z=-22
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document.write( "5x+y+2z=-3\r
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document.write( "Solving by elimination 
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document.write( "2x+5y+z=22
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document.write( "3x-3y-z=-22
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document.write( " 5x + 2y = 0\r
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document.write( "6x-6y+2z=-44
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document.write( "5x+y+2z=-3
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document.write( "  11x - 5y = -47\r
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document.write( "\n" );
document.write( " 5x + 2y = 0
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document.write( "11x - 5y = -47\r
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document.write( " 25x + 10y = 0
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document.write( " 22x - 10y = -94
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document.write( "   47x = -94
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document.write( "     x = -2  and y = 5    ( 5x + 2y = 0, y = -5x/2= 10/2)
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document.write( "AND  z = 22-2x-5y = 1 \n" );
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