#q-7 5/6 = 6 1/2" "larr# to isolate #q# add #color(blue)(7 5/6)# to both sides.
#qcancel(-7 5/6) +cancel(color(blue)(7 5/6)) = 6 1/2 +color(blue)(7 5/6)#
#color(white)(wwwwwwww)q = 13 (3+5)/6" "larr# common denominator
#color(white)(wwwwwwww)q = 13 (8)/6#
#color(white)(wwwwwwww)q = 13 +1 2/6#
#color(white)(wwwwwwww)q = 14 1/3#