document.write( "Question 213822: Twenty-one more than three times a number is twelve less than the sum of the number and 5. Find the number. \n" ); document.write( "
Algebra.Com's Answer #161532 by nerdybill(7384)\"\" \"About 
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Twenty-one more than three times a number is twelve less than the sum of the number and 5. Find the number.
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\n" ); document.write( "Let x = \"the number\"
\n" ); document.write( "then
\n" ); document.write( "3x + 21 = (x+5) - 12
\n" ); document.write( "3x + 21 = x - 7
\n" ); document.write( "2x + 21 = -7
\n" ); document.write( "2x = -28
\n" ); document.write( "x = -14
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\n" ); document.write( "The number is -14\r
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