# How would you use equations to calculate the age of Al given that Al's father is 45 and he is 15 years older than twice Al's age?

##### 1 Answer

Jan 21, 2015

Let

#y=45# (Al's father is 45)#y=2x+15# (if you take Al's age and double it, Al's father is 15 older than that)

Combining the two expression, we observe that 45 and