document.write( "Question 558209: Explain why the solution of |-3b|=9 is the same as the solution of |3b|=9 \n" ); document.write( "
Algebra.Com's Answer #362953 by jim_thompson5910(35256)\"\" \"About 
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Assuming x and y are a real numbers, this means that |xy| = |x||y|\r
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\n" ); document.write( "\n" ); document.write( "So |-3b| = |-3||b| = 3|b| = |3||b| = |3b|\r
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\n" ); document.write( "\n" ); document.write( "This means that |-3b| = |3b| for every real number b.\r
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\n" ); document.write( "\n" ); document.write( "So |-3b|=9 is equivalent to |3b|=9\r
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