Answer:
its 4.............jk lol
21 no just kidding 19
Step-by-step explanation:
10
+9
___
19
y = -1/11 + 5
1x + 11y = 55
-1x -1x
11y = -1x + 55
/11 /11
Hope this helps!
I think it'll be 5 + n = 11
11 - 5 = 6
n = 6