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

User Alejandro De Castro
by
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1 Answer

6 votes
I learned to do KCC (Keep Change Change)

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

Answer: d= 21

User KARTHIK BHAT
by
7.7k points
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