document.write( "Question 1048141: W,R and S are points on a number line,and W is the midpoint of RS.For each pair of coordinates given,find the coordinate of the third point. \n" ); document.write( "
Algebra.Com's Answer #663696 by solver91311(24713)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The coordinates of the three points are related by the midpoint formulas:\r
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\n" ); document.write( "\n" ); document.write( "where and are the coordinates of the end points, and are the coordinates of the midpoint.\r
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\n" ); document.write( "\n" ); document.write( "Substitute for what you know, then solve for what you don't know.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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