Simplify (9-5i)-(4+10i)
2 answers:
You might be interested in
Answer:
B) consistent, dependent
Step-by-step explanation:
The given system is
45x - 30y = -90
-12x + 8y = 24
Let us make y the subject in both equations to get:
Top equation
Bottom equation
We can see that both equations are identically the same.
There is going to be infinitely many solutions.
We say the system is consistent and dependent.
The correct choice is B
Opposite number is the same number with the opposite sign:
So the opposite of
is 
, since the original number is positive
opposite of
is 
, since the original number is negative
So the opposite of
opposite of