document.write( "Question 1109805: one tenth of a number is 2 less than one seventh of it's predecessor. find the number? \n" ); document.write( "
Algebra.Com's Answer #724739 by rothauserc(4718)\"\" \"About 
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if number means whole numbers, then let x be the number
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\n" ); document.write( "(x/10) = ((x-1)/7) -2
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\n" ); document.write( "x/10 = (x -1 -14)/7
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\n" ); document.write( "x/10 = (x-15)/7
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\n" ); document.write( "cross multiply the fractions
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\n" ); document.write( "7x = 10x -150
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\n" ); document.write( "-3x = -150
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\n" ); document.write( "x = 50
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\n" ); document.write( "the number is 50
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\n" ); document.write( "check the answer
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\n" ); document.write( "(50/10) = (49/7) - 2
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\n" ); document.write( "5 = 5
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