Literal Equation Solver
Enter any linear formula and the variable to isolate — the solver rearranges it symbolically, step by step.
Solve a formula for a variable
Linear formulas with single-letter variables. Example: y=mx+b solved for x.
same inverse operations — letters ride along
Evaluate a formula
Assign a number to every letter. Example: P=2l+2w with l=7,w=4 — leave P blank to compute it.
substitute, then compute