Set up a tape diagram for the equation 2x + 10 = 20

Question

Set up a tape diagram for the equation 2x + 10 = 20

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RI SƠ 3 years 2021-07-23T10:14:53+00:00 1 Answers 4 views 0

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  1. Gerda
    0
    2021-07-23T10:16:32+00:00
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    Answer is X=5

    Subtract  

    10  from both sides of the equation

    Simplify

    Divide both sides of the equation by the same term

    and done

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