Answer:
The first is 30
Step-by-step explanation:
The third is 115
N1. x=180-30=150
N2. x=180-30=150 y=180-130-15=35
N3. x=180-65=115
N4. 3x+1=85 3x=84 x=26
Answer: X + 62 = 3251
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A is the correct answer