A person’s age after 15 years = 4× present age – 15. Present age?
A person’s age after 15 years = 4× present age – 15. Present age?
Explanation
Let present age = x
Given:
x + 15 = 4x − 15
→ 15 + 15 = 4x − x
→ 30 = 3x
→ x = 10
Let present age = x
Given:
x + 15 = 4x − 15
→ 15 + 15 = 4x − x
→ 30 = 3x
→ x = 10