document.write( "Question 467843: f M (4, -6) is the midpoint of line RS. if S has coordinates (0, 13) find coordinates R.\r
\n" ); document.write( "\n" ); document.write( "what equation can i use to solve this?
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Algebra.Com's Answer #328122 by cleomenius(959)\"\" \"About 
You can put this solution on YOUR website!
The equation you would use would be the midpoint formula, \r
\n" ); document.write( "\n" ); document.write( "((x1 + x2/ 2), (y1 + y2 / 2)) = midpoint.\r
\n" ); document.write( "\n" ); document.write( "(( 0 + x2 )/ 2 ) = 4
\n" ); document.write( "x2 = 8.\r
\n" ); document.write( "\n" ); document.write( "((13 + y2 )/ 2 ) = -6
\n" ); document.write( "y2 = -25.
\n" ); document.write( "The second point R is (8, -25).
\n" ); document.write( "Cleomenius.
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