5. in this problem, letters have
replaced numbers. each letter
stands for a different number: 0,1,
2, 3, 4, or 5. to find the secret word,
study the equation and write the
letter on the line above the number it
has replaced. write the secret word
in the blank at the left.
0
1
2
3
4
5
k+s=t
s+s=e
κxa=k
s+a=k
s+b=s
i
ii