Respuesta :

Space

Answer:

3.5r - 7

General Formulas and Concepts:

Algebra I

  • Combining like terms

Step-by-step explanation:

Step 1: Define

6.4r - 7 - 2.9r

Step 2: Simplify

  1. Combine like terms:                    3.5r - 7

And we have our final answer!

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