Answer:
6
Step-by-step explanation:
Answer:
29...
Step-by-step explanation:
1) Fill in
5(7)-6
2) P.E.M.D.A.S
35 - 6
29
There is no solution for the first one
if you eliminate y you get 2 equations
-13x - 13z = -25
-13x - 13x = -15
- there is no solution to theses
a23 means the element in the second row and the 3rd column
so its -5