Question 195017
1)  y = 3/4 x -4
2)  y = x-5
.
3/4 x -4  = x -5
1=1/4 
4 = x,,,,,ANSWER
.
subst  in  (2),,,y=(4)-5  =  (-1),,,,ANSWER
.
checking
1)  (-1) = 3/4 (4) -4 = -1,,,,,ok
2)  (-1)  =  4-5  =  -1,,,,,ok