Mathematics, 19.12.2019 22:31 reynamarie3

Which expression is equivalent to 13 - (-21)13−(−21)13, minus, left parenthesis, minus, 21, right parenthesis?
choose 1
choose 1

(choice a)
a
-21-13−21−13minus, 21, minus, 13

(choice b)
b
-21+13−21+13minus, 21, plus, 13

(choice c)
c
-13+21−13+21minus, 13, plus, 21

(choice d)
d
13+2113+21

Answers: 3

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Which expression is equivalent to 13 - (-21)13−(−21)13, minus, left parenthesis, minus, 21, right pa...