Question

simultaneous liner equation ​

Answer 1

Answer:

1) x - y = 6

2) 2x + 5y = 4

Step-by-step explanation:

1) -x + 4 + 9 = y + 7

  -x + 13 = y + 7

  x - y = 6

2) 2x + 2y = 4 - 3y

   2x + 5y = 4