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Yesterday at 11:57 PM
Mathematics

Answered

Subtract. 3 – (–18)
a. –21
b. –15
c. 15
d. 21

Answer :

BritB123 BritB123

Today at 12:02 AM

I learned to do KCC (Keep Change Change)

Keep 3 change the sign, and change the 18 to positive.
3+18

Answer: d= 21

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