A boy is twice as old as his sister who is x years old now. In 2 years, the boy will be

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A boy is twice as old as his sister who is x years old now. In 2 years, the boy will be

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Eirian 3 years 2021-09-04T09:18:02+00:00 1 Answers 8 views 0

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  1. Orla
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    2021-09-04T09:19:58+00:00
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    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 x, then we multiply 2 to x to represent the boy’s age.

    Then we add 2 when 2 years pass by.

    #teamtrees #PAW (Plant And Water)

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )