Respuesta :

Space

Answer:

x = 1

General Formulas and Concepts:

Pre-Algebra

  • Equality Properties

Step-by-step explanation:

Step 1: Translate

"Five" = 5

"times" is multiplication

"difference" is subtraction

"twice" means 2 times something

"a number" = x

"is" means equal

"-10" = -10

Step 2: Set up equation

5(2x - 4) = -10

Step 3: Solve for x

  1. Distribute 5:                    10x - 20 = -10
  2. Isolate x term:                 10x = 10
  3. Isolate x:                          x = 1

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