what is the sum of a + b - 1 b - a + 1 and 1 - 2b
Answers
Answered by
51
Answer:
=(a + b - 1 )+(b - a + 1)+(1 - 2b)
=a + b - 1+b - a + 1+1 - 2b
=0
Answered by
21
Answer:
a+b-1+b-a+1+1-2b
=> a-a+b+b-2b+1+1-1
=> 2b-2b+1
=> 1 answer
if it is correct pls mark as brainlist
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