Respuesta :

Space

Answer:

x = 18

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

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtract Property of Equality

Step-by-step explanation:

Step 1: Define

2x + 4y = 24

y = -3

Step 2: Solve for x

  1. Substitute in y:                     2x + 4(-3) = 24
  2. Multiply:                                2x - 12 = 24
  3. Isolate x term:                      2x = 36
  4. Isolate x:                               x = 18

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