Respuesta :
Answer:
79 years old
Step-by-step explanation:
1)Lets start with an equation:
- 200 - 2x = 42
2)Now solve:
- 200-2x= 42
- Subtract 200 from both sides
- You should now have: -2x=-158
- Divide both sides by -2
- You should now have: x= 79
Answer:
79 years old
Step-by-step explanation:
1)Lets start with an equation:
2)Now solve:
