May 20, 2025 · In math, “x|x” means “x, such that x” in set builder notation. It is used when building lists of numbers and defining domains when graphing. The term “x|x” is put between …

Mostly letters x, y, and z, these symbols—which stand for quantities without set values—are called variables. Algebra provides general formulas and lets us solve problems for many …

The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.

Need to visualize a function? The graphing features turn abstract equations into pictures that actually make sense. The best part? It's all completely free. No subscriptions, no paywalls, no …

The equation calculator allows you to take a simple or complex equation and solve by best method possible. Step 2: Click the blue arrow to submit and see the result! The equation …

Finding the value of the unknown variable (s) that renders the equation true is the aim of solving an equation. In the equation 2x + 3 = 7, for instance, we get x by applying mathematical …

This guide is here to walk through what solving for x really means, how to do it across different types of equations, and how to use the Symbolab solve for x calculator to support learning …

The letter "x" is often used in algebra to mean a value that is not yet known. It is called a "variable" or sometimes an "unknown". In x + 2 = 7, x is a variable, but we can work out its …

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Aug 1, 2025 · x is a variable, which is a symbol that stands in the place of a number. It has no specific value, unless you are given one to substitute for it or if you are solving an equation.