Question 135066
c=b+23 now.
c+9=2b or c=2b-9 now replace c in the first equation by (2b-9)
2b-9=b+23
2b-b=23+9
b=32 age of Beth now.
c=32+23
c=55 age of Corrin now.
55+9=2*32
64=64