Math

Addition equations.

Definition

Simple one-step equations where a number is added to the variable, solved by subtracting that number from both sides. These are foundational algebra equations that introduce the concept of inverse operations.

How it works · 3 phases

Step by step.

  1. Identify the number being added to the variable.
  2. Subtract that number from both sides of the equation.
  3. Simplify to find the value of the variable.
Examples

Real-world.

  • 1 x + 7 = 12 → subtract 7 from both sides → x = 5
  • 2 n + 3.5 = 10 → n = 6.5
Related terms

Tangled up with.

Subtraction equations → Multiplication equations → Division equations → Multi-step equations →
Studied in

1 unit use this concept.

Pre-Algebra One-Step Equations →