Question

A is 4 years older than B.12 years ago ,A was twice as old as B.Find their ages .Use x

Answer 1

a=b+4
a-b=4-------1
a-12 = 2(b-12)
a -2b =-12
or 2b -a =12 --------2
1+2
b = 16
put in 1
a=16+4=20

Answer 2

Hey mate !!

Here's the answer !!

Refer to the attachment !!

Hope it helps you !!

Cheers !!