Question

simultaneos equation x+y=15. x-y=3​

Answer 1

Step-by-step explanation:

x + y = 15

x - y = 3

———————

2x = 18

__________

x = 18/2

x = 9

Substitute value of x in any of the above equation

x + y = 15

9 + y = 15

y = 15 - 9

y = 6

X = 9 and y = 6

Answer 2

Value of x = 9

y = 6

I hope it's help you

and it's correct