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IRINA_888 [86]
3 years ago
8

Solve 8x + c = k for x.

Mathematics
2 answers:
Scrat [10]3 years ago
6 0

Answer:

x = \frac{k -c}{8}

Step-by-step explanation:

8x + c = k\\\\8x + c-c = k -c \ \ \ \ \ \ \ \ \ [\ subtract \ c \ from \ both \ sides \ ]\\\\8x = k - c\\\\\frac{8x}{8} = \frac{k-c}{8} \ \ \ \ \ [ \ divide \ both \ sides\  by\  8 \ ]\\\\x = \frac{k-c}{8}

tino4ka555 [31]3 years ago
5 0

Answer:

x = (k - c)/8

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>

<u>Algebra I</u>

  • Terms/Coefficients

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

8x + c = k

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

  1. [Subtraction Property of Equality] Subtract <em>c</em> on both sides:                         8x = k - c
  2. [Division Property of Equality] Divide 8 on both sides:                                 x = (k - c)/8
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