The angles are opposite angles. Opposite angles are equal:
Hence, it is mathematically represented as:
42x + 4 = 130
Subtract 4 from both sides, we have:
42x + 4 - 4 = 130 - 4
42x = 126
Divide both sides by 42 to get x, we have:
x = 3
8.6m questions
11.2m answers