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25 March, 12:44

Subtract - b+3 from - 11b-4 .

What is the answer?

-10b-7

10b+7

-12b-1

10b-7

+2
Answers (1)
  1. 25 March, 12:53
    0
    -10b-7

    Solution:

    -11b-4 - (-b+3)

    Two equal characters in succession replace with addition.

    - (-b) = b

    -11b+b = 10

    A negative factor in parentheses changes the plus and minus in the parenthesis.

    - (+3) = - 3

    -4-3 = - 7
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