📘 Part of a Structured Algebra Learning System.
Designed for Grades 6–8 students learning algebra step-by-step.
A variable is a letter or symbol that represents an unknown value.
It does not have a fixed value.
Variables are usually written as letters like x, y, or n.
It is used to show an unknown number.
3x + 5
x is the variable here.
Practice this concept with a worksheet.
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