Mathematics - TEAS Study Guide | Nurse.org
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Solving Multi-Step Equations

Why This Matters for Nursing: Real-world calculations often have multiple steps. "A patient receives a loading dose plus hourly maintenance: Loading + 2(hourly) = Total." Multi-step equations help you work backward to find missing values.

What You Need to Know

Multi-step equations require more than one operation to solve. The key is working in the right ORDER:

The Strategy (Reverse PEMDAS!)

  1. Simplify each side first (distribute, combine like terms)
  2. Move variables to one side (add/subtract terms with variables)
  3. Undo addition/subtraction (isolate the term with the variable)
  4. Undo multiplication/division (isolate the variable)
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