SOLUTION: dave is 4 years older than his sister may, if their ages are added together the sum is 14. What are the ages of dave and may?

Question 1156637: dave is 4 years older than his sister may, if their ages are added together the sum is 14. What are the ages of dave and may?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

let Dave's age be and his sister's age
if Dave is years older than his sister May, we have
.......eq.1

if their ages are added together the sum is , we have
.....eq.2....substitute from eq.1

go to
.......eq.1, substitute

so, Dave's is years old, and his sister May is years old

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