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Equation Solver

Enter an equation and get x with every step: isolating the variable, factoring, the quadratic formula, rational roots, logarithms and more.

Your problem will appear here as you type.
Examples

Frequently asked questions

Can it solve for a letter other than x?

Yes. Choose the variable in the options, or type “solve A = P(1 + rt) for t”.

What if there is no exact answer?

The solver switches to Newton's method and gives accurate decimal solutions, with the iterations shown.

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