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[(-28)+-(8)]+12

 Aug 1, 2017
 #1
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I will help you evaluate the expression \([-28+(-8)]+12\)

 

\([-28+(-8)]+12\) Brackets have equivalent priority to parentheses, so first evaluate \(-28+(-8)\)by realizing that adding a negative is equivalent to subtracting a positive. 
\([-28-8]+12\) \(-28-8=-36\)
\(-36+12\) Now evaluate \(-36+12\)
\(-24\)  
   

 

Now, you are done!

 Aug 1, 2017

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