Category Algebra

Learn how to solve linear equations step by step with clear rules, worked examples, fractions, and word problems—plus a free solver to check your answers.

Learn how to solve quadratic equations using 4 methods: factoring, square roots, completing the square, and the quadratic formula, with worked examples.

Learn how to solve systems of equations with substitution, elimination, and graphing. Clear step-by-step worked examples, tips, and a free algebra solver.

Learn how to solve inequalities step by step, including the flip rule for negatives, compound inequalities, graphing, interval notation, and worked examples.

Master factoring polynomials step by step: GCF, trinomials, grouping, and special patterns explained with clear, fully worked examples you can follow.

Learn how to solve for x with clear, step-by-step examples. This beginner's guide covers inverse operations, common mistakes, and tips to master algebra.