A boy is twice as old as his sister who is x years old now. In 2 years, the boy will be
1 answer:
Answer and Step-by-step explanation:
2x + 2 is the answer.
If the boy is twice as old, and the sister's age is represented by <em>x</em>, then we multiply 2 to x to represent the boy's age.
Then we add 2 when 2 years pass by.
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