Respuesta :

Space

Answer:

b = P - a - c

Step-by-step explanation:

Step 1: Write equation

P = a + b + c

Step 2: Solve for b

  1. Subtract a on both sides: P - a = b + c
  2. Subtract c on both sides: P - a - c = b
  3. Rewrite: b = P - a - c

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