Simplify (12 – 3) + 15+5 (-2)

Question

Simplify
(12 – 3) + 15+5 (-2)

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Ladonna 2 days 2021-07-22T07:14:06+00:00 1 Answers 0 views 0

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    2021-07-22T07:16:05+00:00

    Answer:

    14

    Step-by-step explanation:

    The multiplication must be done before the addition and subtraction.

    (12 – 3) + 15+5 (-2)

    becomes (9) + 15 + 5(-2), which in turn becomes

                     (9) + 15 – 10, or 14

                 

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