Subtract the following​

Subtract The Following class=

Sagot :

Answer:

18. -25m+31n

19. -4a+9b+6c

20. 9m-22k

I hope this will help.

Answer:

18. 21m + 31n

19. -4a+ 9b-6c

20. 9m-22k

sorry direct na ang sagot, Tama po Yan swear.