Free Maths Calculator

Solving Equations Calculator

Solve any linear equation, from one step and two step questions to brackets, fractions and unknowns on both sides. Pick the type, fill in the boxes laid out like the equation itself, and each line names the balance move made to both sides, then the answer is substituted back in as a check.

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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 3(2x + 1) = 27.Show answerHide answer

    Answer: x = 4

    Multiply out: 6x + 3 = 27, so 6x = 24.

    Solve (x + 1) ÷ 2 = (x + 4) ÷ 3.Show answerHide answer

    Answer: x = 5

    Cross multiply: 3(x + 1) = 2(x + 4), so 3x + 3 = 2x + 8.