' 15 ' without parentheses does.
Except in Accounting, where (15) means ' -15 '.
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Punctuation mark is another word for parentheses or brackets.
-2w+14+10w=348w=20w=2.5
It's 2+(-34)=-10 So put the parentheses around the -34.
(-2)^3 equals -2 times -2 times -2 which equals -8
The parentheses would be placed thus: 27 - (49 / 7 + 12) = 8