Answer:
a lot
Step-by-step explanation:
X=-1
y=3
2(xy-7) = ?
Substitute the numbers
2(-1x3-7)
Use BIDMAS
2(-3-7)
2(-10)
-20
Simplifying 6ab + 3ab - 7ab
so we can write it
6ab + 3ab - 7ab = 0 ( because there is nothing on right side )
9ab - 7ab = 0
2ab = 0
So the coefficient of ab is 2.
Correct option is C.
Answer:
It depends what are you asking for?
Step-by-step explanation:
