Question

Answer the question ​

Answer 1

Answer:

2a-2b

Step-by-step explanation:

[(a-b)+2a+b)]-a+2b

= [a -b+2a+b]-a+2b

=[3a+b-b]-a+2b

=3a-a+2b

=2a+2b

=2(a+b)

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