Could someone explain this please! The age of Mike's brother is 12 less than 4 times Mike's age. The sum of their ages is 28. Find the ages of Mike and his brother.
Mike is (a) and his brother is [b].

b=12-4a

a+b=28

Step-by-step explanation:

solve using a system of equations method. hope this helps! :)

yes because there is exactly one y value for every x value

for function there can't be more than one value for every x value

a

step-by-step explanation: