Respuesta :

Space

Answer:

r = -12

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

Step-by-step explanation:

Step 1: Define

6 + 18r = 20r - 18 - 4r

Step 2: Solve for r

  1. Combine like terms:                    18r + 6 = 16r - 18
  2. Subtract 16r on both sides:         2r + 6 = -18
  3. Isolate r term:                               2r = -24
  4. Isolate r:                                        r = -12
Lluviapi480
6+18r=20r-18-4r
6+18r=18r-18
-6. -6
18r=18r-24
-18r. -18r
R=-24
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