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Oksanka [162]
2 years ago
12

3X + 2 = 17 how do I show my work for this?

Mathematics
2 answers:
SCORPION-xisa [38]2 years ago
8 0

Answer:

x = 5

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

3x + 2 = 17

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. [Subtraction Property of Equality] Subtract 2 on both sides:                        3x = 15
  2. [Division Property of Equality] Divide 3 on both sides:                                  x = 5
otez555 [7]2 years ago
4 0

Answer:

you subtract two both side, then divide three both side, you'll get x = 5.

Step-by-step explanation:

3x + 2 = 17

(3x + 2) -2 = (17) -2. First, you subtract 2 for both sides

3x = 15

(3x)/2 = (15)/2. Second, you divide 3 both side

x = 5. Last, you get your answer

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The size of angle aob is equal to 132 degrees and the size of angle cod is equal to 141 degrees. find the size of angle dob.
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angle AOB = 132 and is also the sum of angles AOD and DOB. Hence 
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angle COD = 141 and is also the sum of angles COB and BOD. Hence 
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Now we add the left sides together and the right sides of equations 1 and 2 together to form a new equation. 

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We should also note that: 
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Therefore substituting angle AOD + angle DOB + angle COB in equation 3 by 180 and solving for angle DOB:
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