document.write( "Question 760007: Find the slope of a line that is parallel and perpendicular to the given line 7x+9y=-7 \n" ); document.write( "
Algebra.Com's Answer #462348 by sachi(548)\"\" \"About 
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7x+9y=-7
\n" ); document.write( "or 9y=-7x-7
\n" ); document.write( "or y=-7/9x-7/9 comparing with y=mx+c
\n" ); document.write( "the slope =m=-7/9
\n" ); document.write( "so the slope of line parallel to given line =-7/9
\n" ); document.write( "& the slope of line perpendicular to given line =9/7
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