AmberAlexis
AmberAlexis
25-05-2016
Mathematics
contestada
Can someone please tell me if i am right?
Respuesta :
2kilokaraj
2kilokaraj
25-05-2016
Second one is correct, that is an identity.
Third one is a contradiction:
6x - 15 = 3 * (2x - 6) ------> 6x - 15 = 6x - 18
Fourth one:
5x - 3 * (x - 4) = 2 * (x - 6) ---> 5x - 3x + 12 = 2x - 12 ---> 2x + 12 = 2x -12
So this is a contradiction as well.
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