What expressions are equivalent to 6.7 – (-2.5)

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What expressions are equivalent to 6.7 – (-2.5)

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Linh Đan 4 years 2021-09-04T17:51:55+00:00 1 Answers 10 views 0

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  1. kimchi2
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    2021-09-04T17:53:52+00:00
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    Answer:

    6.7-\left(-2.5\right)=9.2

    Step-by-step explanation:

    Given the expression

    6.7-\left(-2.5\right)

    Solving the expression to get the equivalent function

    6.7-\left(-2.5\right)

    \mathrm{Apply\:rule}\:-\left(-a\right)=a

    =6.7+2.5

    \mathrm{Add\:the\:numbers:}\:6.7+2.5=9.2

    =9.2

    Thus,

    6.7-\left(-2.5\right)=9.2

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