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Mandarinka [93]
2 years ago
13

Please solve the question.

Mathematics
1 answer:
Otrada [13]2 years ago
5 0

Answer:

C

Step-by-step explanation:

(7b-4) + (-2b+a+1)

= 7b - 4 - 2b + a + 1

=7b - 2b + a - 4 + 1

=5b + a - 3

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