Concept of Equation with One Variable
Уравнение с одной переменной
An equation is like a balance scale — both sides must be equal. Today we'll learn how to understand, solve, and check equations!
1. What is an Equation? (Что такое уравнение?)
Definition
An equation is a mathematical statement that shows two expressions are equal.
- Contains an equals sign (=)
- Has a left side and a right side
- States that both sides have the same value
Example:
2x + 3 = 11
"Two times x plus three equals eleven" Interactive visualization — available in the full lesson
An equation is like a balance — both sides must weigh the same!
2. Parts of an Equation (Части уравнения)
| Part | Russian | Example |
|---|---|---|
| Left Side | Левая часть | 3x − 5 |
| Equals Sign | Знак равенства | = |
| Right Side | Правая часть | 7 |