document.write( "Question 396426: how do you add/subtract inequalities ?
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Algebra.Com's Answer #281220 by richard1234(7193)![]() ![]() You can put this solution on YOUR website! Inequalities follow the same arithmetic properties as equalities, with a few exceptions (such as multiplying both sides by a negative number).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If x > y, then x + c > y + c\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If x > y and c is positive, then cx > cy. However if c is negative, we have to switch the inequality sign to obtain cx < cy. \n" ); document.write( " |