New City Blog

What Is the Difference Between a Rule and a Formula in Math?

Jul 24, 2026 | New City Blog

Mathnasium tutors explain what a math rule is, what a formula is, and how to tell the difference between the two.

Elimination vs. Substitution: Which Method to Use When Solving Systems of Equations

Jun 29, 2026 | New City Blog

Learn how to choose between elimination and substitution when solving systems of equations, with clear examples and step-by-step guidance from Mathansium.

How to Solve Systems of Equations Using the Elimination Method

Jun 1, 2026 | New City Blog

The elimination method solves systems of equations by canceling one variable at a time. Here is when to use it over substitution and how to apply it correctly.

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