Question

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Answer 1

Explanation:

Like terms have the same variables and powers.

1). 6b and
`(b)/(2)` =
`(1)/(2)b`

5x² and x²

2). 12a² and 4a²

4x³ and 3.5x³

b and
`(5)/(6) b`

3). 8x

4). 5a² + 16

5). There are no like terms there.

6). 6b + 5n + 6b + 5n = 12b + 10n