document.write( "Question 167490: what is x in 3x + 7=2x + 19?
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Algebra.Com's Answer #123375 by nerdybill(7384) You can put this solution on YOUR website! The idea is to isolate the unknown (x) to one side of the equation -- doesn't matter which side. \n" ); document.write( ". \n" ); document.write( "Starting with: \n" ); document.write( "3x + 7=2x + 19 \n" ); document.write( "Subtract 7 from both sides: \n" ); document.write( "3x = 2x + 12 \n" ); document.write( "Subtract 2x from both sides: \n" ); document.write( "x = 12 \n" ); document.write( " \n" ); document.write( " |