Respuesta :

In order to solve this problem, you must use the rules of P.E.M.D.A.S P=Parenthesis, E= Exponents, M= Multiplication, D= Division, A= Addition, S= Subtraction. PS Remember the rules with negatives as well and make sure that you simplify it the best you can. If you need further help and explanation make sure to ask.

The answer is -15 thee photo show the steps hope this helps

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