Algebra Examples

$3 x - 3 = 9$

Step 1

Move all terms not containing

$x$ to the right side of the equation.

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Step 1.1

Add

$3$ to both sides of the equation.

$3 x = 9 + 3$

Step 1.2

Add

$9$ and

$3$ .

$3 x = 12$

$3 x = 12$

Step 2

Divide each term in

$3 x = 12$ by

$3$ and simplify.

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Step 2.1

Divide each term in

$3 x = 12$ by

$3$ .

$\frac{3 x}{3} = \frac{12}{3}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of

$3$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{3 x}{3} = \frac{12}{3}$

Step 2.2.1.2

Divide

$x$ by

$1$ .

$x = \frac{12}{3}$

$x = \frac{12}{3}$

$x = \frac{12}{3}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide

$12$ by

$3$ .

$x = 4$

$x = 4$

$x = 4$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$