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Answer :

Spacego

Answer:

-5d

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

Algebra I

  • Terms/Coefficients/Degrees

Step-by-step explanation:

Step 1: Define

-2d + -2d + -d

Step 2: Simplify

  1. Rewrite:                              -2d - 2d - d
  2. Combine like terms:          -4d - d
  3. Combine like terms:          -5d

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