Verified Answer :

janharder

{2-4[3+(17)*2]}-7
{2-4[3+34]}-7
{2-4[37]}-7
{2-148}-7
-146-7
-153

You need to follow order of operations.
So, first you add 5 and 12 which gives you 17
Next, you would multiply 17 by 2 and get 34
Your next step is too add 34 to 3 and get 37
Then, you would multiply -4 by 37 and get -148
Next, you subtract 148 from 2 and get -146
You final step is to multiply -146 to -7
This gives you your final answer of 1168

Hope this helped :)

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