document.write( "Question 969269: Endpoint: (-10,-9) Midpoint: (-8,-6) Endpoint ?? \n" ); document.write( "
Algebra.Com's Answer #592187 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
The midpoint is the average of the two endpoints,
\n" ); document.write( "\"-8=%28-10%2BX%29%2F2\"
\n" ); document.write( "\"-10%2BX=-16\"
\n" ); document.write( "\"X=-6\"
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\n" ); document.write( "\"-6=%28-9%2BY%29%2F2\"
\n" ); document.write( "\"-9%2BY=-12\"
\n" ); document.write( "\"Y=-3\"
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