Question

Add (a+b-3)+(b+2a-1)+(4-6b+2a)

Answer 1

`(a + b - 3) + (b + 2a - 1) + (4 - 6b + 2a)`

=

`a + 2a + 2a + b + b - 6b - 3 - 1 + 4`

`5a - 4b - 4 + 4`

`= 5a - 4b + 0`

`= 5a - 4b`

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Answer 2

5a-4b is the answer