Answer:
The last one
Step-by-step explanation:
Answer:
the system of equation has infinite solution
Step-by-step explanation:
, 
Solve the first equation for x_2
Subtract 5x1 on both sides


Now substitute -5x1 on second equation



0=0
So the system of equation has infinite solution
Answer:
Step-by-step explanation: you just need to find the greatest factors and least multiple then do it to two numbers
Answer: the answer is 6
Step-by-step explanation: