document.write( "Question 505726: The sum of a certain number and a second number is -42. The first number minus the second is 52. Find the numbers \n" ); document.write( "

Algebra.Com's Answer #339950 by oberobic(2304) $\"\"$ $\"About$

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x + y = -42
\n" ); document.write( "x - y = 52
\n" ); document.write( ".
\n" ); document.write( "add the equations
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\n" ); document.write( "2x = 10
\n" ); document.write( "x = 5
\n" ); document.write( ".
\n" ); document.write( "substitute x = 5
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\n" ); document.write( "5 + y = -42
\n" ); document.write( "y = -47
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\n" ); document.write( "Check your answer using the other equation.
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\n" ); document.write( "x -y = ?
\n" ); document.write( "5 -(-47) = 5+47 = 52
\n" ); document.write( "correct.
\n" ); document.write( ".
\n" ); document.write( "Answer: The two numbers are 5 and -47.
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\n" ); document.write( "Done.
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