Algebra Examples

3 x - 3 = 15

$3 x - 3 = 15$

Step 1

Move all terms not containing

x

$x$ to the right side of the equation.

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Step 1.1

Add

3

$3$ to both sides of the equation.

3 x = 15 + 3

$3 x = 15 + 3$

Step 1.2

Add

15

$15$ and

3

$3$ .

3 x = 18

$3 x = 18$

3 x = 18

$3 x = 18$

Step 2

Divide each term in

3 x = 18

$3 x = 18$ by

3

$3$ and simplify.

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Step 2.1

Divide each term in

3 x = 18

$3 x = 18$ by

3

$3$ .

\frac{3 x}{3} = \frac{18}{3}

$\frac{3 x}{3} = \frac{18}{3}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of

3

$3$ .

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Step 2.2.1.1

Cancel the common factor.

\frac{3 x}{3} = \frac{18}{3}

$\frac{3 x}{3} = \frac{18}{3}$

Step 2.2.1.2

Divide

x

$x$ by

1

$1$ .

x = \frac{18}{3}

$x = \frac{18}{3}$

x = \frac{18}{3}

$x = \frac{18}{3}$

x = \frac{18}{3}

$x = \frac{18}{3}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide

18

$18$ by

3

$3$ .

x = 6

$x = 6$

x = 6

$x = 6$

x = 6

$x = 6$

3 x - 3 = 15

$3 x - 3 = 15$

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

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