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4. What is the sum of -15 and +7?
A. +22
B. -22
C. +8
D. -8
5. What is the answer in subtracting (+8) – (+7)?
A. -15
B. -1
C. + 15
D.+1​


Sagot :

Answer:

4. D

5. D

Step-by-step explanation:

-15+7=-8

8-7=1

4. D. -8

5. D. +1

When you add one positive and one negative integers you just have ro subract it and take the sign of the higger number.

When you subract integers you just change the sign of the second (basta yung pangalawa sa number) then change the operation to addition.

Hope it can help :)