📘 Part of a Structured Algebra Learning System.
Designed for Grades 6–8 students learning algebra step-by-step.
When a variable is written without a number in front of it, it has a hidden coefficient of 1.
The number 1 is called the coefficient.
The 1 is not shown, but it is always there.
So, x means 1 × x.
x
x means 1 x x.
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