3 years ago

Plz help me get the answer to these

Mathematics

2 answers:

Pavlova-9 [17]3 years ago

8 0

Remove the brackets

-5a + 9b + 7a combine -5a and 7a

7a - 5a + 9b

2a + 9b Answer

Don't go any further. There is nothing else to do. These are unlike terms and cannot be reduced or combined.

Colt1911 [192]3 years ago

4 0

Step-by-step explanation:

$(-5a+9b)+7a\qquad\text{combine like terms}\\\\=(-5a+7a)+9b\\\\=2a+9b$

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