-1, because
if you factor out -1 from a-b you get -1(-a+b). when you reduce, -a+b = b-a so those cancel out and you are left with -1
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I think its BA.
ab = 8-cDivide both sides by ba = (8-c)/b
BS
Honey, lines AB and BA are like two peas in a pod - they're the same darn thing! In geometry, the order of the points on a line doesn't matter, so whether you call it line AB or line BA, it's all just one straight shot from point A to point B. So, yes, line AB is indeed the same as line BA.
A - B = B - AThis statement is very difficult to prove.Mainly because it's not true . . . unless 'A' happens to equal 'B'.