document.write( "Question 383987: Use substitution to find all solutions to the system of equations\r
\n" ); document.write( "\n" ); document.write( "y=x^2
\n" ); document.write( "y=x+12
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Algebra.Com's Answer #271879 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
1.\"y=x%5E2\"
\n" ); document.write( "2.\"y=x%2B12\"
\n" ); document.write( "Substitute eq. 1 into eq. 2,
\n" ); document.write( "\"x%5E2=x%2B12\"
\n" ); document.write( "\"x%5E2-x-12=0\"
\n" ); document.write( "\"%28x-4%29%28x%2B3%29=0\"
\n" ); document.write( "Two solutions:
\n" ); document.write( "\"x-4=0\"
\n" ); document.write( "\"x=4\"
\n" ); document.write( "Then
\n" ); document.write( "\"y=4%5E2\"
\n" ); document.write( "\"y=16\"
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\n" ); document.write( "\"x%2B3=0\"
\n" ); document.write( "\"x=-3\"
\n" ); document.write( "Then,
\n" ); document.write( "\"y=%28-3%29%5E2\"
\n" ); document.write( "\"y=9\"
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