Answer:
Explanation:
- Mother's age = m
- Son's age = s
3 years later:
- m + 3 = 4(s + 3) ⇒ m = 4s + 12 - 3 = 4s + 9
3 years ago:
- m - 3 = 2(s + 8) ⇒ m = 2s + 18 + 3 = 2s + 21
Solve for s by substitution:
- 4s + 9 = 2s + 21
- 2s = 12
- s = 6
Find the value of m:
Mother is 33 and son is 6