Question

Simply it:

a - (b - 2a)
​

Answer 1

a-b = a-b

2 @+b = 3a-b

here our is 3ab

+2+1 =3 so

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Answer 2

Answer:

3a-b

Step-by-step explanation:

1 Remove parentheses.

a−b+2a

2 Collect like terms.

(a+2a)−b

3 Simplify.

3a−b

DONE!!