document.write( "Question 232048: what does it mean in the below question when it says the opposite of?
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document.write( "the opposite of three times a number is greater than 12? I know it would be 3n is greater than 12 but what do I do for the opposite of??? \n" );
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Algebra.Com's Answer #171590 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! what does it mean in the below question when it says the opposite of? \n" ); document.write( "the opposite of three times a number is greater than 12? \n" ); document.write( ": \n" ); document.write( "generally the opposite of a number means it's multiplied by -1 \n" ); document.write( "If the no. is positive, the opposite is negative \n" ); document.write( "and \n" ); document.write( "If the no. is negative, the opposite is positive \n" ); document.write( ": \n" ); document.write( "-(3n) > 12 \n" ); document.write( "we need n to be positive, multiply both sides by -1, this reverses the <> signs \n" ); document.write( "3n < -12 \n" ); document.write( "n < \n" ); document.write( "n < -4 \n" ); document.write( ": \n" ); document.write( "See if this is true -5 is less than -4, let = -5 \n" ); document.write( "-(3(-5)) > 12 \n" ); document.write( "+15 > 12, that is true \n" ); document.write( ": \n" ); document.write( "What if n is greater, say n=-2 \n" ); document.write( "-(3(-2)) > 12 \n" ); document.write( "+6 > 12, NOT true \n" ); document.write( " |