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22 April, 18:30

Select the property NOT used in the following

(2+a) - 7

(a + 2) - 7

a + (2 - 7)

a + (-5)

a - 5

associative

commutative

distributive

subtraction

+4
Answers (1)
  1. 22 April, 21:14
    0
    (2 + a) = (a + 2) it's commutative property

    (a + 2) - 7 = a + (2 - 7) it's associative property

    2 - 7 = - 5 it's subtraction

    Answer: distributive property { a (b + c) = ab + ac }
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