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Oksanka [162]
3 years ago
12

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

Mathematics
2 answers:
SCORPION-xisa [38]3 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]3 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 mean of 4 numbers is 19. What would the new mean be if the number 30 is added to the data set?
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B 21.2

Step-by-step explanation:

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Savannah measure's the temperature of a liquid to be 24 Celsius. Convert to Fahrenheit
jek_recluse [69]

Answer:

The temperature of Savannah's liquid to the nearest degree Fahrenheit is 75.2.

Step-by-step explanation:

The general formula to convert celsius into fahrenheit is

F=(C*9/5)+32

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3 years ago
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The length of a rectangle is 2 cm more than four times the width. If the perimeter of the rectangle is 84 cm, what are its dimen
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Answer:

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Width 8 cm

Step-by-step explanation:

Let

x-----> the length of the rectangle

y----> the width of the rectangle

we know that

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P=84 cm

so

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42=x+y ----> equation A

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substitute equation B in equation A and solve for y

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The dimensions are

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Width 8 cm

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