Adding 4a + 5b and 5a + 4b gives
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Answered by
7
Answer:
(4a + 5b) + ( 5a + 4b)
9a + 9b
Answer is 9a + 9b
Answered by
0
Answer:
9a+9b
Step-by-step explanation:
(4a+5b)+(5a+4b)
grouping similar variable terms
(4a+5a)+(5b+4b)
finally
9a+9b
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