pasagot po ng maayos Pls yung true answer need ko napo
With solutions po.

Answer:
x = 10
• x + 8 = 10 + 8 = 18
• x +49 = 10 + 49 = 59
• x + x = 10 + 10 = 20
• x - x = 10 - 10 = 0
• x - 7 = 10 - 7 = 3
• 42 - x = 42 - 10 = 32