Question

Tony and Belinda have a combined age of 56. Belinda is 8 more than twice Tony’s age. How old is each?

Answer 1

x + (2x+8)=56

Answer 2

16 assume one's age to be x um tony's age is x and bel's age is 2x +8

Answer 3

T+B=56
B=8+2T

Using substitution:
T + (8+2T)=56
3T=48
T=16

16+B=56
B=40