Which expression is equivalent to 13 – (-21)? Choose 1 answers А 13 +21 B -21 – 13 -13 +21 D

Question

Which expression is equivalent to 13 – (-21)?
Choose 1 answers
А
13 +21
B
-21 – 13
-13 +21
D
-21 +13
HURRY

in progress 0
Sapo 3 years 2021-09-04T12:00:01+00:00 1 Answers 15 views 0

Answers ( )

  1. mit
    0
    2021-09-04T12:01:51+00:00
    Reply

    Answer is 13+21 , two negatives make a positive as a result the answer is A

Leave an answer

Browse

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