Add (a + b – 1), (b – a + 1), (1 – 2b)
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(a + b - 1) + (b - a +1) + (1 - 2b)
a + b - 1 + b - a + 1 + 1 - 2b
a - a + b - b - 1 + 1 + 1 - 2b
= 1 - 2b
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Answer:
a+b+3
Step-by-step explanation
- a+b-3,b-a+3,a-b-3
- a+b-3+b-a+3+a-b+3
= a+b+3
what i have underlined cancel it
if it is correct mark me as brainliest
OK
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