Eric is twice as old as his brother Lucas. If 4 is subtracted from Eric's age and 4 is added to Lucas age, their ages will be equal. What are the boys' ages now?
+36916 You are given this
Eric is twice as old as his brother Lucas soo E = 2L
you are given this too
If 4 is subtracted from Eric's age and 4 is added to Lucas age, their ages will be equal.
sooo E-4 = 4+L
Let's put in E = 2L into the second equation
2L-4 = 4+L now subtract 'L' from both sides
L -4 = 4 Now add 4 to both sides of the equation
L = 8 This is Lucas' age
E = 2L = 2(8) = 16 Eric's age
