SOLUTION: IS THIS RIGHT? 10{7-4(7-5)}= 60, DOES IT EQUAL 60?

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Question 155326: IS THIS RIGHT? 10{7-4(7-5)}= 60, DOES IT EQUAL 60?
Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
10{7-4(7-5)}
= 10{7-4*2} (perform the operations inside the parentheses first)
= 10{7 - 8} (perform the operations inside the braces, do the multiplication first)
= 10{-1}
= -10