document.write( "Question 54300: Absolute value of(2x+5) is less than or equal to 3.\r
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document.write( "/2x+5/<=3\r
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document.write( "I set it up according to the rule /ax+b/<=c then -c<=ax-b<=c\r
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document.write( "so
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document.write( "-3<=2x+5<=3
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document.write( "-5 -5 -5\r
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document.write( "-8<=2x<=-2
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document.write( "-4<=x<=-1\r
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document.write( "Interval notation would be [-4,-1]\r
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document.write( "However, my teacher's answer sheet to the review problem shows -4
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document.write( "why would -4 be less than and not less than or equal to x?
Algebra.Com's Answer #36538 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! You are correct. The answer in the answer book is probably \n" ); document.write( "a typing error. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |