If L = (a-b)-c and R=a- ( b-c), then L-R = ???
Hi,
I would first simplify L and R.
L = (a - b) - c = a - b - c
R = a - (b - c) = a - b + c
Then
L - R = a - b - c - (a - b + c)
= a - b - c - a + b - c = -2 c
Cheers,
Penny
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