Solution

On this page you will see the solution process.

Can I see the explanation of a single step?

You can get the explanation for any single step by clicking on it. Sometimes a single step will contain several transformations. To see explanation for the subsequent transformation, press the Right arrow key located on the explanation rectangle.

What does ‘x ∈ R’ mean?

This means that any value of x will satisfy the equation (the solution does not depend on x).

What does ‘x ∈ ∅’ mean?

This means that the solution is an empty set – there is no solution.

Why is Quickmath Solver's solution not the same as my textbook solution?

There there are several ways to represent solutions in algebra. The Quickmath Solver uses the most common representation that is typically found in algebra textbooks.