document.write( "Question 418959: find the value of R so taht the line through (3, 13) and (R, -5) has a slope of 8 \n" ); document.write( "
Algebra.Com's Answer #293061 by rfer(16322)\"\" \"About 
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8=(-5-13)/(R-3)
\n" ); document.write( "8(r-3)=-18
\n" ); document.write( "8R-24=-18
\n" ); document.write( "8R=6
\n" ); document.write( "R=6/8
\n" ); document.write( "R=3/4
\n" ); document.write( "
\n" );