SOLUTION: Sandy is 35 years older than Tony the sum of their ages is 43. How old are they?

Question 966046: Sandy is 35 years older than Tony the sum of their ages is 43. How old are they?
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!

Let x be the Tony's age in years.
Then Sandy's age is x + 35, according to the condition.
Next, you have an equation

(x + 35) + x = 43.

Simplify and solve it:
2x + 35 = 43,
2x = 43 - 35,
2x = 8,
x = 4.

Answer. Tony is 4 years old, Sandy is 4 + 35 = 39 years old.
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