Question

Just checking:

Answer 1

When solving the system x + 2y = 9 and x - y = 6, which expression could be substituted for x in the second equation?
A. 9 - x
B. y - 9/2
C. 9 - 2y
D. 1/2 y + 9

Answer 2

I think it's B.

Answer 3

x + 2y = 9
-2y -2y
------------
x = 9 - 2y

Answer 4

So it is B?

Answer 5

No, its C

Answer 6

9 - 2y

Answer 7

oh okay I misread it ;) thnk u Tyler