document.write( "Question 1084597: Solve: abs(2x+1)+1<=8\r
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document.write( "Solving the absolute value I get -5<=x<=8, but my calculator gives me -4<=x<=8
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Algebra.Com's Answer #698682 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! |2x+1| + 1 <= 8 \n" ); document.write( "----- \n" ); document.write( "|2x+1| <= 7 \n" ); document.write( "2x+1 <= 7 \n" ); document.write( "x <= 3 \n" ); document.write( "------------- \n" ); document.write( "-(2x+1) <= 7 \n" ); document.write( "-2x <= 8 \n" ); document.write( "-x <= 4 \n" ); document.write( "0 <= x+4 \n" ); document.write( "-4 <= x \n" ); document.write( "===================== \n" ); document.write( "-4 <= x <= 3\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |