document.write( "Question 753247: Solve the absolute value equation.\r
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document.write( "| 5x + 13| = –7 \n" );
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Algebra.Com's Answer #458286 by josgarithmetic(39621)![]() ![]() ![]() You can put this solution on YOUR website! 5x+13 may be positive, zero, or negative. Solve according to two conditions. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "5x+13>=0, and 5x+13<0, are the two conditions to use. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If 5x+13>=0 then |5x+13|=5x+13=-7 \n" ); document.write( "5x=-7-13 \n" ); document.write( "5x=-20 \n" ); document.write( "x=-4\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If 5x+13<0 then |5x+13|=-(5x+13)=-7 \n" ); document.write( "-5x-13=-7 \n" ); document.write( "5x+13=7 \n" ); document.write( "5x=7-13 \n" ); document.write( "5x=-6 \n" ); document.write( "x=-6/5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ANSWER: x is either -4 or -6/5 \n" ); document.write( " |