Question

[]+[]=8
+. +
[]- []=6
=. =
13 8

Answer 1

hey mate

here is your answer

2 + 6 = 8

9 - 3 = 6

hope you got it

Answer 2

x+y=8. ---1
x-y=6. ---2

2+1

2x=14
x=7

x+y=8
7+y=8
y=8-7
y=1

I hope my helping hands help you...