Solve for x -3/10=x/20

$- \frac{3}{10} = \frac{x}{20}$

Rewrite the equation as $\frac{x}{20} = - \frac{3}{10}$ .

$\frac{x}{20} = - \frac{3}{10}$

Multiply both sides of the equation by $20$ .

$20 \frac{x}{20} = 20 (- \frac{3}{10})$

Simplify both sides of the equation.

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Simplify the left side.

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Cancel the common factor of $20$ .

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Cancel the common factor.

$20 \frac{x}{20} = 20 (- \frac{3}{10})$

Rewrite the expression.

$x = 20 (- \frac{3}{10})$

$x = 20 (- \frac{3}{10})$

$x = 20 (- \frac{3}{10})$

Simplify the right side.

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Simplify $20 (- \frac{3}{10})$ .

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Cancel the common factor of $10$ .

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Move the leading negative in $- \frac{3}{10}$ into the numerator.

$x = 20 (\frac{- 3}{10})$

Factor $10$ out of $20$ .

$x = 10 (2) \frac{- 3}{10}$

Cancel the common factor.

$x = 10 \cdot 2 \frac{- 3}{10}$

Rewrite the expression.

$x = 2 \cdot - 3$

$x = 2 \cdot - 3$

Multiply $2$ by $- 3$ .

$x = - 6$

$x = - 6$

$x = - 6$

$x = - 6$