document.write( "Question 1171114: Can you please help me to answer this question.A number is added to a number the answer is 20,the difference between the numbers is 4. Find the number \n" ); document.write( "
Algebra.Com's Answer #796005 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "let one number be \"x\" and other number \"y\"\r
\n" ); document.write( "\n" ); document.write( "a number is added to a number the answer is \"20\", we have\r
\n" ); document.write( "\n" ); document.write( "\"x%2By=20\".......solve for \"x\"\r
\n" ); document.write( "\n" ); document.write( "\"x=20-y\".....eq.1\r
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\n" ); document.write( "\n" ); document.write( "if the difference between the numbers is \"4\", we have\r
\n" ); document.write( "\n" ); document.write( "\"x-y=4\"..........eq.2, substitute \"x\" from eq.1\r
\n" ); document.write( "\n" ); document.write( "\"20-y-y=4\"\r
\n" ); document.write( "\n" ); document.write( "\"20-2y=4\"\r
\n" ); document.write( "\n" ); document.write( "\"20-4=2y\"\r
\n" ); document.write( "\n" ); document.write( "\"16=2y\"\r
\n" ); document.write( "\n" ); document.write( "\"y=8\"\r
\n" ); document.write( "\n" ); document.write( "go to\r
\n" ); document.write( "\n" ); document.write( "\"x=20-y\".....eq.1, substitute \"y\"\r
\n" ); document.write( "\n" ); document.write( "\"x=20-8\"\r
\n" ); document.write( "\n" ); document.write( "\"x=12\"\r
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\n" ); document.write( "\n" ); document.write( "your numbers are: \"8\" and \"12\"\r
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