Respuesta :

Space

Answer:

x = -50/9    

General Formulas and Concepts:

Pre-Algebra

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

Step 1: Define equation

3x - 8 - 12x = 42

Step 2: Solve for x

  1. Combine like terms:                    -9x - 8 = 42
  2. Isolate x term:                              -9x = 50
  3. Isolate x:                                        x = -50/9