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trwatkins1
 one year ago
Subtract.
–21 – (–13)
A.
–34
B.
–8
C.
8
D.
34
trwatkins1
 one year ago
Subtract. –21 – (–13) A. –34 B. –8 C. 8 D. 34

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trwatkins1
 one year ago
Best ResponseYou've already chosen the best response.0cal would this be the same?

calculusxy
 one year ago
Best ResponseYou've already chosen the best response.0Once again, the same thing applies: \[21 + 13 \]

Michele_Laino
 one year ago
Best ResponseYou've already chosen the best response.1hint: \[\Large  21  \left( {  13} \right) =  21 + 13 = ...?\]

trwatkins1
 one year ago
Best ResponseYou've already chosen the best response.0oh ok i didnt see the front negitive

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Subtraction of a negative means to add a positive essentially. \[21  (13) = is equivalent \to 21 + 13 = 8\]
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