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simplify

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(A).  16 ÷ (4 x 2)+9−3

(B )    (48 - 8)÷5+3

asked May 25, 2014 in ALGEBRA 1 by marleney Novice

1 Answer

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A) The given expresion is 16 ÷ (4 x 2)+9−3

Evaluate the expression inside the Parenthesis

=16 ÷ 8 + 9 − 3           (Multiply: 4×2 =8)

Next operation is Division

= 2 + 9 − 3                  (Divide: 16 ÷ 8 = 2)  

Next operation is Addition

= 11 -3                         (Add: 2 + 9 = 11)

Next operation is Subtraction

= 8                                (Subtract: 11 - 3 = 8)

Simplified value for 16 ÷ 8 + 9 − 3 is 8

 

B) The given expresion is (48 - 8)÷5+3

Evaluate the expression inside the Parenthesis

=40 ÷ 8 + 9 − 3           (Subtract: 48 -8 =40)

Next operation is Division

= 5 + 9 − 3                  (Divide :40 ÷ 8 = 5)                        

Next operation is Addition

= 14 -3                         (Add: 5 + 9 = 14)

Next operation is Subtraction

= 11                              (Subtract: 14 - 3 = 11)

Simplified value for 16 ÷ 8 + 9 − 3 is 11

answered May 25, 2014 by anonymous

Order of Operations:

To simplify the expression follow the order of operations: (PEMDAS)

  1. Evaluate the expressions inside the Parenthesis/Brackets (P).
  2. Evaluate Powers/Exponents (E).
  3. Multiply and/or Divide in order from left to right (MD).
  4. Add and/or Subtract in order from left to right (AS).

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