Free Maths Calculator

Solving Equations Calculator

Solve any linear equation, including unknowns on both sides, one legal move at a time: collect the x terms, collect the numbers, divide at the end. Each line names the move being made and shows the tidied equation after it, then the answer is substituted back in as a check.

Try It: Enter Your Numbers

Your question

Updates as you type

Answer

Method, Step by Step

    Worked Example

    Solve 3x + 5 = x + 11.

    1. Take x from both sides:2x + 5 = 11
    2. Take 5 from both sides:2x = 6
    3. Divide both sides by 2:x = 3

    Answer: x = 3

    Try These Yourself

    Solve 5x − 4 = 26.Show answerHide answer

    Answer: x = 6

    Add 4 to get 5x = 30, then divide by 5.

    Solve 4x + 7 = 2x + 19.Show answerHide answer

    Answer: x = 6

    Take 2x: 2x + 7 = 19, then 2x = 12.

    Solve 2x + 9 = 3.Show answerHide answer

    Answer: x = −3

    2x = −6, so x = −3. Negative answers are fine.