(128+x)-48=22

Solve for x:

• (128 + x) - 48 = 22
• 128 + x - 48 = 22 → x + 80 = 22
• x = 22 - 80 = -58

Check: (128 + (-58)) - 48 = 70 - 48 = 22, correct.

Alternative quick route: 128 + x = 22 + 48 = 70 → x = 70 - 128 = -58.