Question

x+y is = 12 x-y is= 2​

Answer 1

Answer:

x = 12 - y

put value of x in another equation

x- y = 2

12-y-y = 2

12- 2 y = 2

-2y = 2-12

-2 y = -10

same sign cancel

y = 5

put value of y in x

x = 12 - 10

x = 2

thanks !!