Question

simplify ( a+b-2) - (b-a+2)+(a-b+2)
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Answer 1

Step-by-step explanation:

$a + b - 2 - b + a - 2 + a - b + 2$

$a + a + a + b - b - b - 2 - 2 + 2$

$3a - b - 2$

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Answer 2

Answer:

3a - b -2

Step-by-step explanation:

a+b-2-b+a-2+a-b+2

a+a+a+b-b-b-2-2+2

3a-b-2