Hi!
Let's solve this using PEMDAS.
Parentheses - subtract
7 - 3 x [-9 + 9 x -4]
Parentheses - multiply
7 - 3 x [-9 + -36]
Parentheses - Add
7 - 3 x -45
Multiply
7 - 135
Subtract
-128
^the answer
Hope this helps! :)
-Peredhel
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