document.write( "Question 256933: X + 5 + X + X - 45 = 392\r
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document.write( "I come up with X = 144? \n" );
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Algebra.Com's Answer #192395 by Nieleya(22) ![]() You can put this solution on YOUR website! X + 5 + X + X - 45 = 392\r \n" ); document.write( "\n" ); document.write( "I come up with X = 144?\r \n" ); document.write( "\n" ); document.write( "3x + 5 - 45 = 392 \n" ); document.write( "3x - 40 = 392 \n" ); document.write( "3x = 392 + 40 \n" ); document.write( "3x = 432 \n" ); document.write( "x = 432/3 \n" ); document.write( "x = 144\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |