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After fully simplifying $3 a + 5 b - a + 2 b$ , how many terms remain?

Class 7Like and Unlike TermsAlgebra

A2
B1
C4
D3

Step-by-Step Solution

Combine a-terms:

3 a - a = 2 a

. Combine b-terms:

5 b + 2 b = 7 b

. Result

2 a + 7 b

has 2 terms.

Answer: A) 2

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