[3*32+13*(-2)]+7[8-(4-9)]

Question

simplified answer

Answer 1

[ 3 * 32+13 * ( -2) ] + 7 [ 8 - ( 4- 9) ] =

 

(96 -26) + 7 ( 8 +5) =

 

  70  + 7*13= 70 + 91 = 161 

Answer 2

[96 - 26] + 7[8-(-5)]

 

70 + 7(13)

 

70 + 91 = 161

Answer 3

The key in this problem is to apply the order of operations correctly.

 

 P

 E

MD

AS

 

[3*32+13*(-2)] + 7[8-(4-9)]

 

Parentheses:  perform any operations within parentheses first

 

(4-9) = -5  -->   [3*32+13*(-2)] + 7[8-(-5)]

 

[8-(-5)] = 13  -->  [3*32+13*(-2)] + 7*13 = 3*32 + 13*(-2) + 7*13

 

Exponents: none in this problem

 

Multiplication and Division left to right:

 

3*32 = 96  --> 96 + 13*(-2) + 7*13

 

13*(-2) = -26  -->  96 + (-26) + 7*13

 

7*13 = 91  --> 96 + (-26) + 91

 

Addition and Subtraction left to right:

 

96 + (-26) = 70  -->  70 + 91 =161