SOLUTION: I came up with -45 for the following problem, is that correct? [1-7(6-4)]

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Question 443527: I came up with -45 for the following problem, is that correct?
[1-7(6-4)]
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
[1-7(6-4)]
= [1-7(2)]
= 1 - 14
= -13