document.write( "Question 879925: The sum of three numbers is 105. The third number is 11 less than 10 times the second number. Twice the first number is 7 more than 3 times the second number. Find each number. \n" ); document.write( "
Algebra.Com's Answer #531118 by lwsshak3(11628)\"\" \"About 
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The sum of three numbers is 105. The third number is 11 less than 10 times the second number. Twice the first number is 7 more than 3 times the second number. Find each number.
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\n" ); document.write( "let x=2nd number
\n" ); document.write( "let y=1st number
\n" ); document.write( "10x-11=3rd number
\n" ); document.write( "2y=3x+7
\n" ); document.write( "3x-2y=-7
\n" ); document.write( "..
\n" ); document.write( "x+y+10x-11=105
\n" ); document.write( "11x+y=116
\n" ); document.write( "3x-2y=-7
\n" ); document.write( "..
\n" ); document.write( "22x+2y=232 (mult. by 2)
\n" ); document.write( " 3x-2y=-7
\n" ); document.write( "add
\n" ); document.write( "25x=225
\n" ); document.write( "x=9
\n" ); document.write( "10x-11=79
\n" ); document.write( "2y=3x+7=27+7=34
\n" ); document.write( "y=17
\n" ); document.write( "2nd number=9
\n" ); document.write( "1st number=17
\n" ); document.write( "3rd number=79
\n" ); document.write( "Check: 9+17+79=105
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