document.write( "Question 803266: The sum of three numbers is -2. The sum of three times the first number, twice the second number, and the third number is 9. the difference between the second number and half the third number is 10. Find the numbers. \n" ); document.write( "
Algebra.Com's Answer #484246 by lwsshak3(11628)\"\" \"About 
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The sum of three numbers is -2. The sum of three times the first number, twice the second number, and the third number is 9. the difference between the second number and half the third number is 10. Find the numbers.
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\n" ); document.write( "x+y-z=-2
\n" ); document.write( "3x+2y+z=9
\n" ); document.write( "y-(z/2)=10
\n" ); document.write( "..
\n" ); document.write( "x+y-z=-2
\n" ); document.write( "3x+2y+z=9
\n" ); document.write( "2y-z=20
\n" ); document.write( "..
\n" ); document.write( "x+y+z=-2
\n" ); document.write( "3x+2y+z=9
\n" ); document.write( "subtract
\n" ); document.write( "-2x-y=-11
\n" ); document.write( "..
\n" ); document.write( "3x+2y+z=9
\n" ); document.write( "2y-z=20
\n" ); document.write( "add
\n" ); document.write( "3x+4y=29
\n" ); document.write( "..
\n" ); document.write( "-2x-y=-11
\n" ); document.write( "3x+4y=29
\n" ); document.write( "..
\n" ); document.write( "-8x-4y=-44
\n" ); document.write( "3x+4y=29
\n" ); document.write( "add
\n" ); document.write( "-5x=-15
\n" ); document.write( "x=3
\n" ); document.write( "y=-2x+11=5
\n" ); document.write( "z=2y-20=-10
\n" ); document.write( "..
\n" ); document.write( "numbers are: 2, 5, and -10\r
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