Respuesta :

srienna

Answer:

-22

Step-by-step explanation:

1.Factor out the negative sign.

2.Calculate (add for question 18)

3. Add the negative sign back.

Hope this helps :)

holydea
18. -9-(-13) = 4
19. -7-(-8) = 1
20. -6-(-6) = 0
21. -10-12= -22
22. 32-(-6) = 38
23. 0-20= -20

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