document.write( "Question 49398This question is from textbook Glencoe Geometry
\n" ); document.write( ": W,R, and S are points on a number line, and W is the midpoint of line RS. For each pair of coordinates given, find the coordinate of the third point.
\n" ); document.write( "I need help on two problems.
\n" ); document.write( "Please, show me the step so then I can do the rest of them.\r
\n" ); document.write( "\n" ); document.write( "1) R=4, S=-6\r
\n" ); document.write( "\n" ); document.write( "2) W= -4, S=2 \n" ); document.write( "
Algebra.Com's Answer #36823 by tiffanyc(9)\"\" \"About 
You can put this solution on YOUR website!
If W is the midpoint of the line RS, it's basically saying W is exactly halfway between point R and point S. If given R and S we can simply add the R and S points together and divide by 2.
\n" ); document.write( " 4+ (-6)=-2.......-2/2 =-1 so W=-1\r
\n" ); document.write( "\n" ); document.write( "In picture form, one dot will equal 1 number to proove the equation
\n" ); document.write( "-6....-1....4, notice there are 4 dots between R and W and 4 dots between S and W.\r
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\n" ); document.write( "\n" ); document.write( "When either R or S is not given, the same formula can be applied but now algebra is used....or counting, your choice.\r
\n" ); document.write( "\n" ); document.write( "(R+S)/2=W
\n" ); document.write( "(R+2)/2=-4.....R+2=-8......R=-10, this can also be prooved by the number line
\n" ); document.write( "-10.....-4.....2, there are 5 numbers between each R and W and S and W\r
\n" ); document.write( "\n" ); document.write( "Hope this helps \n" ); document.write( "
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