Question

69,5) ) Solve each system of equations by elimination 9. x + y = -5 x - y = 9

Answer 1

Answer:

(2, -7).

Step-by-step explanation:

x + y = -5

 x - y = 9           Adding, to eliminate y:

2x = 4

x = 2

Plug this into first equation:

2 + y = -5

y = -5 - 2

y = -7.