Simplify: 2a + 9n + 9a

Type: MCQ • Marks: 1

A. 11a + 9n

B. 18a + 9n

C. 11a + 9

D. 20a

Explanation

2a and 9a are like terms: 11a. 9n is unlike, so it stays separate.

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Class 7th Ganita Prakash 1

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