document.write( "Question 151741: How do you solve and graph an inequalitie like x - 2 > 2x + 1 or -10 > -2x - 2? \n" ); document.write( "
Algebra.Com's Answer #111548 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Let's solve the first inequality \"x-2%3E2x%2B1\":\r
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\n" ); document.write( "\n" ); document.write( "\"x-2%3E2x%2B1\" Start with the first inequality.\r
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\n" ); document.write( "\n" ); document.write( "\"x%3E2x%2B1%2B2\" Add \"2\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"x-2x%3E1%2B2\" Subtract \"2x\" from both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"-x%3E1%2B2\" Combine like terms on the left side.\r
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\n" ); document.write( "\n" ); document.write( "\"-x%3E3\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x%3C%283%29%2F%28-1%29\" Divide both sides by \"-1\" to isolate \"x\". note: Remember, the inequality sign flips when we divide both sides by a negative number. \r
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\n" ); document.write( "\n" ); document.write( "\"x%3C-3\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "Now let's solve the second inequality \"-10%3E-2x-2\":\r
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\n" ); document.write( "\n" ); document.write( "\"-10%3E-2x-2\" Start with the second inequality.\r
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\n" ); document.write( "\n" ); document.write( "\"0%3E-2x-2%2B10\" Add \"10\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%3E-2%2B10\" Add \"2x\" to both sides.\r
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\n" ); document.write( "\n" ); document.write( "\"2x%3E8\" Combine like terms on the right side.\r
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\n" ); document.write( "\n" ); document.write( "\"x%3E%288%29%2F%282%29\" Divide both sides by \"2\" to isolate \"x\". \r
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\n" ); document.write( "\n" ); document.write( "\"x%3E4\" Reduce.\r
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\n" ); document.write( "\n" ); document.write( "So our answer is \"x%3C-3\" or \"x%3E4\"\r
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\n" ); document.write( "\n" ); document.write( "So the solution in interval notation is: () ()\r
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\n" ); document.write( "\n" ); document.write( "So the solution in set notation is: 4\right\}\">\r
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\n" ); document.write( "\n" ); document.write( "Here's the graph of the solution set\r
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\n" ); document.write( "\n" ); document.write( "Note:\r
\n" ); document.write( "\n" ); document.write( "There is an open circle at \"x=-3\" which means that we're excluding that value from the solution set.\r
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\n" ); document.write( "\n" ); document.write( "Also, there is an open circle at \"x=4\" which means that we're excluding that value from the solution set.\r
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