Question

if 17x + 12y = 65 , 12x +17y = 25 , find the value x-y

Answer 1

Answer:

8

Step-by-step explanation:

17x + 12y = 65

12x +17y = 25

--------------------(subtract)

5x - 5y = 40

5(x - y) = 40

x - y = 40/5

x - y = 8