Question

Using the linear combination method, what is the solution to the system of linear equations 7x-2y=-20 and

9x+4y=-6?
O (-3,2)
O (-2,3)
O (2, -3)
O (3,-2)

Answer 1

Answer: b

Step-by-step explanation: I took the test EDG 2022

Answer 2

7x -2y + 20 =0 and 9x + 4y + 6 =0 are the solutions to the answer