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Mathematics 19 Online
OpenStudy (anonymous):

3 – (–18) A. –21 B. –15 C. 15 D. 21

OpenStudy (anonymous):

@horsegirl27

OpenStudy (anonymous):

@King.Void.

iYuko (iyuko):

Hi!!!

OpenStudy (anonymous):

Hello!

iYuko (iyuko):

When 2 negatives are side by side they become a +

iYuko (iyuko):

|dw:1441897513566:dw|

iYuko (iyuko):

3+18=21 Final answer

OpenStudy (anonymous):

i thought that first but for some reason i thought it was wrong

OpenStudy (anonymous):

–21 – (–13) A. –34 B. –8 C. 8 D. 34

OpenStudy (horsegirl27):

Just do the same thing you did before

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