document.write( "Question 1204685: write the expression as a equation Jody has 2 more nickels than pennies, and she has 30 coins all together \n" ); document.write( "
Algebra.Com's Answer #841103 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "let the number of nickels be \"n\" and the number of pennies \"p\"\r
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\n" ); document.write( "\n" ); document.write( "if Jody has \"2\" more nickels than pennies, we have\r
\n" ); document.write( "\n" ); document.write( "\"n=p%2B2\"....eq.1\r
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\n" ); document.write( "\n" ); document.write( "and if she has \"30\" coins all together, we have\r
\n" ); document.write( "\n" ); document.write( "\"n%2Bp=30\"\r
\n" ); document.write( "\n" ); document.write( "\"n=30-p\"...eq.2\r
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\n" ); document.write( "\n" ); document.write( "from eq.1 and eq.2 we have\r
\n" ); document.write( "\n" ); document.write( "\"p%2B2=30-p\"\r
\n" ); document.write( "\n" ); document.write( "\"p%2Bp=30-2\"\r
\n" ); document.write( "\n" ); document.write( "\"2p=28\"\r
\n" ); document.write( "\n" ); document.write( "\"p=14\"\r
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\n" ); document.write( "\n" ); document.write( "\"n=14%2B2\"....eq.1\r
\n" ); document.write( "\n" ); document.write( "\"n=16\"\r
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\n" ); document.write( "\n" ); document.write( "answer: Jody has \"16\" nickels and \"14\" pennies\r
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