Question

Solve the following system of equations:

x − 2y = 14
x + 3y = 9
-------------------------------
(1, 12)
(−1, −12)
(12, −1)
(12, 1)

Answer 1

The answer is:

C) (12, -1)

Answer 2

do the following

Explanation:

subtract the 2nd equation from the 1st....

x-2y = 14

-(x+ 3y = 9)

______________

-5y=5

y= -1

since you know that y is = to - 1 pick the 3rd answer