Question

10. 2
------- + ------- = 4
x+y. x-y

15. 9
_____ — ____ = -2
x+y. x-y

Solve this by elimination method ​

Answer 1

Answer:

3+1=4

+4-2=-2

Step-by-step explanation:

+3+1=4

+4-2=2

+×–=–