document.write( "Question 3166: Solve for x and graph the solution set on a number line:
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document.write( "-18 < 6x - 7 < or equal to 17.\r
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document.write( "I feel like an idiot. I understand how to graph this on a number line but can't figure out how to isolate x. \n" );
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Algebra.Com's Answer #1365 by longjonsilver(2297)![]() ![]() You can put this solution on YOUR website! No point feeling like an idiot :-)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Treat both parts separately, and solve them:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-18 < 6x-7 \n" ); document.write( "-11 < 6x \n" ); document.write( "6x > -11 \n" ); document.write( "x > -11/6\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "this is one answer. Now for the other:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "6x - 7 <= 17 \n" ); document.write( "6x <= 24 \n" ); document.write( "x <= 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "so the answer that satisfies both parts is that:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-11/6 < x <= 3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "ie any number between -11/6 and 3 satisfies both parts - so draw a number line of this.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Hope this helps? :-)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "jon \n" ); document.write( " \n" ); document.write( " |