document.write( "Question 1100556: Liz had 140 pens and Inna had 100 pens. After Inna gave Liz some pens, Liz had 3 times as many pens as Inna. How many pens did Inna give Liz?
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Algebra.Com's Answer #715061 by ikleyn(52943) $\"\"$ $\"About$

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document.write( "140 + x  = 3*(100-x)\r\n" );
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document.write( "140 + x = 300 - 3x\r\n" );
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document.write( "x + 3x = 300 - 140\r\n" );
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document.write( "4x = 160.\r\n" );
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document.write( "x = 40.\r\n" );
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\n" ); document.write( "I understand that you are \"in hurry\" having deadline tomorrow, but somewhen later look into the lesson\r
\n" ); document.write( "\n" ); document.write( " - Virtual exchange between two persons\r
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