Question

?+?=8
+ +
?-?=6
= =
13 8​

Answer 1

Answer:

4+4=8

12-6=6.................................

Answer 2

Answer:

let us consider ? as x so

x+x=8 and x-x=6

Subtract 1 from 2

x+x=8

x-x=6

(-) (+) (-)

we get

2x=2

x=2/2

x=1