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:
Hi, the answer should be (-4,-6)
Step-by-step explanation:
Answer:
Jillian bikes 3 miles each evening.
3
Step-by-step explanation:
3 (miles) × 5 (days) = 15 (Run)
3 (miles) × 5 (days) = 15 (Bike)
30 miles total
Hope this helps!!
Check:
She works out twice a day and goes three miles each time for five days.
Six miles per day
6 · 5 = 30