Respuesta :

Space

Answer:

t = 9

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

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

Distributive Property

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality

Algebra I

  • Terms/Coefficients

Step-by-step explanation:

Step 1: Define

Identify

-t = 9(t - 10)

Step 2: Solve for t

  1. [Distributive Property] Distribute 9:                                                                 -t = 9t - 90
  2. [Subtraction Property of Equality] Subtract 9t on both sides;                       -10t = -90
  3. [Division Property of Equality] Divide -10 on both sides:                               t = 9
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Answer:

Step-by-step explanation:

-t=9(t-10)

-t=9t-90

90=9t+t

90=10t

90/10=t

9=t

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