document.write( "Question 421854: the sum of 3 nos is 24 among them 1number is equal to half of the sum of other 2 nos but four times the difference of them find the numbers \n" ); document.write( "
Algebra.Com's Answer #294512 by mananth(16946)\"\" \"About 
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let the numbers be x y z
\n" ); document.write( "x+y+z=24
\n" ); document.write( "x=1/2(y+z)
\n" ); document.write( "2x=y+z
\n" ); document.write( "2x-y-z=0
\n" ); document.write( "x=4(y-z)
\n" ); document.write( "x=4y-4z
\n" ); document.write( "x-4y+4z=0
\n" ); document.write( "....
\n" ); document.write( "x+y+z=24 --------------1
\n" ); document.write( "2x-y-z= 0-------------2
\n" ); document.write( "x-4y+4z= 0-------------3
\n" ); document.write( "..
\n" ); document.write( "consider equation 1 &2
\n" ); document.write( "Multiply 1 by 1
\n" ); document.write( "Multiply 2 by 1
\n" ); document.write( "we get
\n" ); document.write( "x+y+z=24
\n" ); document.write( "2x-y-z=0
\n" ); document.write( "Add the two
\n" ); document.write( "3x=24 -------------4
\n" ); document.write( "consider equation 2 & 3
\n" ); document.write( "Multiply 2 by -4
\n" ); document.write( "Multiply 3 by 1
\n" ); document.write( "we get
\n" ); document.write( "-8x+4y +4z=0
\n" ); document.write( "x-4y+4z =0
\n" ); document.write( "Add the two
\n" ); document.write( "-7x+8z=0 -------------5
\n" ); document.write( "Consider (4) & (5)
\n" ); document.write( "Multiply 4 by 7
\n" ); document.write( "Multiply (5) by 3
\n" ); document.write( "we get
\n" ); document.write( "21x=168
\n" ); document.write( "-21x+24z =0
\n" ); document.write( "Add the two
\n" ); document.write( "24z=168
\n" ); document.write( "/24
\n" ); document.write( "z=7
\n" ); document.write( "Plug the value of z in 5
\n" ); document.write( "-7x+56=0
\n" ); document.write( "-7x=-56
\n" ); document.write( "x=8
\n" ); document.write( "plug value of x & z in 1
\n" ); document.write( "8+y+7=24
\n" ); document.write( "y=-8-7+24
\n" ); document.write( "y=9
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