Question

(vi) 2b - a - b - 2c - b + a- (a - b-C)
2.
2
2
1,2
v2​

Answer 1

Answer:

$2b - a - b - 2c - b + a - (a - b - c) \\ \\ = - a + a + 2b - b - b - 2c - (a - b - c) \\ \\ = 2b - 2b - 2c - a + b + c \\ \\ = - 2c + c - a + b \\ \\ = - c - a + b \\ \\ = - a + b - c \\ \\ = - (a - b + c) \\ \\ = a - b + c$

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Answer 2

Answer:

a-b+c is the correct answer hope you get it no explanation of the answer