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B. Modified True or False. Draw a happy face (©) if the statement is correct.
If not, then write False.
1. 20a - 8a = 4a
2. 24a – 25a = a
3. 4ab - 5ab = ab
4. (a + b) – (a - b) = -3b
5. (Yr – 95 – 9)-(-5r +s) = q – 24r – 10s
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Sagot :

Answer:

1. sad, must be 12a

2. sad, must be -a

3. sad, must be -ab

4. sad, must be 2b

5. sad, must be 5r+yr-s-104