Question

Solve the following system:

y=x + 3
2x + y = 9

Answers:
(2,5)
(5,2)
(-2,5)
(2,-5)

Answer 1

Explanation:

y - x = 3 ...1

2x + y = 9 ...2

...2 - ...1

2x + y -y + x = 9 - 3

3x = 6

x = 2

replace x you will receive y value

Answer 2

your anwser would be (2,5)