Question

If X+y=7and x-y=3, then x= ,y=

Answer 1

X=5 Y=2
plzz mark it as brainiest answer

Answer 2

x=3+y (from second equation)
therefore, 3+y+y=7 (putting the above in second equation)
3+2y=7
2y=4
y=2

putting y=2 in first equation, 
x+2=7
x=5