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pentagon [3]
3 years ago
13

What value of s makes the equation true?

Mathematics
2 answers:
scoundrel [369]3 years ago
6 0

Answer:

s = -17

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>

-8s + 4 = -7s + 21

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

  1. [Addition Property of Equality] Add 7s on both sides:                                   -s + 4 = 21
  2. [Subtraction Property of Equality] Subtract 4 on both sides:                        -s = 17
  3. [Division Property of Equality] Divide -1 on both sides:                                 s = -17
azamat3 years ago
5 0

Answer:

-17 =s

Step-by-step explanation:

-8s +4 = -7s +21

Add 8s to each side

-8s+8s +4 = -7s+8s +21

4 = s+21

Subtract 21 from each side

4-21 = s+21-21

-17 =s

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