Answer:
5(8m+3)
40m+15=55m
Step-by-step explanation:
82 is your answer , I subtracted 52-40 and got 12 , so I know that the RC side is 12 more than 70.
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
Answer:
3.
Step-by-step explanation:
