Question 446345
(7,-8), 

{{{9x-4y=7}}}

{{{9x-7=4y}}}

{{{(9/4)x-7/4=y}}}


{{{(2.25)x-1.75=y}}}...this line has a slope {{{2.25}}}...same slope will have a line parallel to this line, so

{{{y=(2.25)x +-b}}}...we need to find {{{b}}}

*[invoke equation_parallel_or_perpendicular "parallel", 9/4, -7/4, 7, -8]