Answer:
[tex]2 \: and \: 1[/tex]
Step-by-step explanation:
[tex](1 + x) + (1 - x) \\ = (1 + ( - 2)) + (1 - ( - 2)) \\ = ( - 1) + (3) \\ = 2 \\ \\ x - (x - 1) \\ = ( - 2) - (( - 2) - 1) \\ = - 2 + 2 + 1 \\ = 1[/tex]
[tex]plzz \: mark \: as \: brainliest... \\ hope \: it \: helpss[/tex]
