document.write( "Question 996899: When a number is doubled and then added to 3, the new result is equal to 15 decreased by the original number. Find the number \n" ); document.write( "
Algebra.Com's Answer #615184 by ikleyn(52790)\"\" \"About 
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\n" ); document.write( "2x + 3 = 15 - x.\r
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\n" ); document.write( "\n" ); document.write( "3x = 15 - 3,\r
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\n" ); document.write( "\n" ); document.write( "3x = 12,\r
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\n" ); document.write( "\n" ); document.write( "x = 4.\r
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