document.write( "Question 11246: It has been a while.\r
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document.write( "How do I solve -7x + 4x = 9 ?\r
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document.write( "Thank you \n" );
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Algebra.Com's Answer #5845 by roxy9229(32)![]() ![]() ![]() You can put this solution on YOUR website! -7x + 4x = 9 \n" ); document.write( " add like terms\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "rules of addition \n" ); document.write( "opposite sign: subtract \n" ); document.write( "same sign: add \n" ); document.write( "take sign of larger #\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "7x-4x=3x and since the -7 is bigger, it is -3x\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "-3x=9 \n" ); document.write( "divide both sides by -3 \n" ); document.write( "x=-3 \n" ); document.write( " \n" ); document.write( " |