Answer:
1)
[tex]{ \rm{x + 5 = 8}} \\ { \rm{x = 8 - 5}} \\ { \boxed{ \mathfrak{ \: answer : \: { \rm{x = 3}}}}}[/tex]
2)
[tex]{ \rm{x + 6 = - 8}} \\ { \rm{x = - 8 - 6}} \\ { \boxed{ \mathfrak{ \: answer : \: { \rm{x = - 14}}}}}[/tex]
3)
[tex]{ \rm{x - 8 = 5}} \\ { \rm{x = 5 + 8}} \\ { \boxed{ \mathfrak{ \: answer : \: { \rm{x = 13}} }}}[/tex]
4)
[tex]{ \rm{x - 7 = - 22}} \\ { \rm{x = - 22 + 7}} \\ { \boxed{ \mathfrak{ \: answer : { \rm{ \: x = - 15}}}}}[/tex]
5)
[tex]{ \rm{8 + y = 12}} \\ { \rm{y = 12 - 8}} \\ { \boxed{ \mathfrak{answer : \: { \rm{y = 4}} }}}[/tex]
