Algebra Examples

$15 x + 30$ , $0 = 18 x$

Step 1

Rewrite the equation as $18 x = 0$ .

$18 x = 0$

Step 2

Divide each term in $18 x = 0$ by $18$ and simplify.

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Step 2.1

Divide each term in $18 x = 0$ by $18$ .

$\frac{18 x}{18} = \frac{0}{18}$

Step 2.2

Simplify the left side.

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Step 2.2.1

Cancel the common factor of $18$ .

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Step 2.2.1.1

Cancel the common factor.

$\frac{18 x}{18} = \frac{0}{18}$

Step 2.2.1.2

Divide $x$ by $1$ .

$x = \frac{0}{18}$

Step 2.3

Simplify the right side.

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Step 2.3.1

Divide $0$ by $18$ .

$x = 0$

Step 3

Replace the variable $x$ with $0$ in the expression.

$15 (0) + 30$

Step 4

Multiply $15$ by $0$ .

$0 + 30$

Step 5

Add $0$ and $30$ .

$30$