Respuesta :
Answer:
Luna is 18, Nick is 6 years old
Step-by-step explanation:
Luna = l, Nick = n
- l = 3n
- l + 6 = 2( n+ 6)
Substitute l in the second equation
- 3n + 6 = 2n + 12
- 3n - 2n = 12 - 6
- n = 6
Then
- l = 3*6 = 18
Answer:
Luna is 18, Nick is 6 years old
Step-by-step explanation:
Luna = l, Nick = n
Substitute l in the second equation
Then