document.write( "Question 211381This question is from textbook Algebra and Trigonometry Structure and Method
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document.write( ": what do i do with the 3 in this equation? \r
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document.write( "7 -3|4d - 7| > 4 \n" );
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Algebra.Com's Answer #159747 by rapaljer(4671) You can put this solution on YOUR website! The first thing to do is get rid of the 7 by subtracting 7 from each side. Don't mess with the 3 yet!!\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7-7-3|4d -7|>4-7 \n" ); document.write( "-3|4d-7|>-3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Next, divide both sides by -3, which REVERSES the inequality! Don't forget to do that! \n" ); document.write( "|4d-7|<1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now, I'm not sure which method you would use to finish this. I guess write it like this: \n" ); document.write( "-1 <4d-7<1\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Add + 7 to each of the 3 parts of the inequality: \n" ); document.write( "-1+7 <4d < 1 + 7 \n" ); document.write( "6 <4d <8\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Divide by 4 \n" ); document.write( "6/4 < d <8/4 \n" ); document.write( "3/2 < d < 2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Does that look right?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "R^2\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |