Perform the indicated row operations:
-10r2 r2 3r3
[2 -1 -4|7] [0 3 -2|5] [0 10 8|2]

Answer:
Second one is -30, 20, -50
Third one is 30, 24, 6
Step-by-step explanation:
Answer:
Person above is correct
For the next question the answer is A
Step-by-step explanation:
Edge 2022