Question

Please help! -3n+147=0

Answer 1

Answer:

n = ±7

General Formulas and Concepts:

Pre-Algebra

• Order of Operations: BPEMDAS
• Equality Properties

Algebra I

• Solving quadratics

Step-by-step explanation:

Step 1: Define equation

-3n² + 147 = 0

Step 2: Solve for n

1. Subtract 147 on both sides:                    -3n² = -147
2. Divide -3 on both sides:                          n² = 49
3. Square root both sides:                           n = ±7