Question

solve x-y=7 ; x+y=11 ​

Answer 1

Answer:

x is 9

y is 2

as 9+2=11

9-2 =7

Step-by-step explanation:

hope it helps

Answer 2

Answer:

x-y=7------(1)

x+y=11------(2)

Step-by-step explanation:

From eq. (1)

x=7+y

putting it into eq. 2

7+y+y=11

2y=11-7=4

y=2

putting the value of y in eq. (1)

x=7+2=10

Hope it helps you....