document.write( "Question 409020: Please help with solving these inequalities! They're SO confusing to me! I know you have to flip the inequality when it's a negative or something like that, but i just don't know how to go about it!\r
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document.write( "1) -1 > -x + 3
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document.write( "2) -7 - 2m >(or equal to)-9
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document.write( "3) a
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document.write( " --- <(or equal to)9
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document.write( " -3
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document.write( "Thanks if you can help! :) \n" );
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Algebra.Com's Answer #288027 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! 1) -1 > -x + 3 subtract 3. \n" ); document.write( "-1-3>-x add the left side. \n" ); document.write( "-4>-x divide by -1 \n" ); document.write( "4 \n" ); document.write( "Let x=4.1 \n" ); document.write( "-1>-4.1+3 \n" ); document.write( "-1>-1.1\r \n" ); document.write( "\n" ); document.write( "2) -7 - 2m >=-9 add seven. \n" ); document.write( "-2n>=-9+7 add the right side. \n" ); document.write( "-2n>=-2 divide by -2 \n" ); document.write( "n<=-2/-2 \n" ); document.write( "n<=1 ans. \n" ); document.write( "Proof: \n" ); document.write( "-7-2*1>=-9 \n" ); document.write( "-7-2>=-9 \n" ); document.write( "-9>=-9\r \n" ); document.write( "\n" ); document.write( "3) a \n" ); document.write( " --- <=9 \n" ); document.write( " -3 \n" ); document.write( " cross multiply: \n" ); document.write( "a>=9*-3 \n" ); document.write( "a>=-27 ans. \n" ); document.write( "Proof: \n" ); document.write( "-27/-3<=9 \n" ); document.write( "9>=9 \n" ); document.write( " |