Question

Amy is 3 years older than her brother. Together, their ages are 14. Amy wrote the equation x+(x+3)=14 to represent the sum of their ages. What does x represent in Amy’s equation?

Amy’s age

Amy’s brother’s age

the sum of their ages

the difference of their ages

Answer 1

B

Explanation:

Answer 2

She is 3 years older than her brother and has (x+3) in the equation means that x is being used as her brothers age. (She is adding 3 to her brothers age)

The answer is Amy's brother's age.