document.write( "Question 272370: the difference between a number and 15 is 7. find the number. \n" ); document.write( "

Algebra.Com's Answer #199251 by Edwin McCravy(20056) $\"\"$ $\"About$

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the difference between a number and 15 is 7. find the number.
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document.write( "x - 15 = 7\r\n" );
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document.write( "Add +15 to both sides:\r\n" );
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document.write( "x - 15 =   7\r\n" );
document.write( "  + 15   +15\r\n" );
document.write( "------------\r\n" );
document.write( "x      =  21\r\n" );
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document.write( "Edwin

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