document.write( "Question 136739: Hi,
\n" ); document.write( " Can you help me with this math problem?\r
\n" ); document.write( "\n" ); document.write( "Solve the problem.
\n" ); document.write( "14.)The sum of three numbers is -5. The first, minus the second, plus 4 times the third, is -20. The third, plus 4 times the first, plus the second, is -20. What are the numbers? \r
\n" ); document.write( "\n" ); document.write( "The answer should be (-5,3,-3)
\n" ); document.write( "

Algebra.Com's Answer #100120 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
x+y+z=-5 or y+z=-x-5
\n" ); document.write( "x-y+4z=-20
\n" ); document.write( "z+4x+y=-20 y+z=-4x-20
\n" ); document.write( "-x-5=-4x-20
\n" ); document.write( "-x+4x=-20+5
\n" ); document.write( "3x=-15
\n" ); document.write( "x=-15/3
\n" ); document.write( "x=-5 answer.
\n" ); document.write( "-5+y+z=-5
\n" ); document.write( "y+z=+5-5
\n" ); document.write( "y+z=0
\n" ); document.write( "y=-z
\n" ); document.write( "-5+z+4z=-20
\n" ); document.write( "5z=-20+5
\n" ); document.write( "5z=-15
\n" ); document.write( "z=-15/5
\n" ); document.write( "z=-3 answer.
\n" ); document.write( "y=-(-3)
\n" ); document.write( "y=3 answer.\r
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