Search
Ask a question
0

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

simplified answer

3 Answers by Expert Tutors

Tutors, sign in to answer this question.
Parviz F. | Mathematics professor at Community CollegesMathematics professor at Community Colle...
4.8 4.8 (4 lesson ratings) (4)
0
[ 3 * 32+13 * ( -2) ] + 7 [ 8 - ( 4- 9) ] =
 
(96 -26) + 7 ( 8 +5) =
 
  70  + 7*13= 70 + 91 = 161 
Ralph L. | Algebra I, II, Visual Basic, Beginning C++ tutorAlgebra I, II, Visual Basic, Beginning C...
4.0 4.0 (1 lesson ratings) (1)
0
[96 - 26] + 7[8-(-5)]
 
70 + 7(13)
 
70 + 91 = 161
Jason T. | Jason Tutors Math & PhysicsJason Tutors Math & Physics
4.9 4.9 (143 lesson ratings) (143)
0
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