Question

25 POINTS What is the solution of the system of equations?

7/2x−1/2y=9/2
3x−y=5

Answer 1

The answer to your question is: x = -2/5 y = -31/5

Explanation:

7/2x−1/2y=9/2 (1) Multiply by 2

3x−y=5 (2)

2 ( 7/2x−1/2y=9/2 ) = 7x -1y = 9

7x -1y = 9 (1) Multiply by (-1)

3x−y=5 (2)

-7x + y = -9

3x − y = 5

10 x = -4

x = -4/10

x = -2/5

3(-2/5) - y = 5

-6/5 -y = 5

y = -6/5 -5

y = -6/5 - 25/5

y = -31/5