Algebra Examples

$\frac{1}{x} = \frac{2}{3 x - 1}$

Step 1

Multiply the numerator of the first fraction by the denominator of the second fraction. Set this equal to the product of the denominator of the first fraction and the numerator of the second fraction.

$1 (3 x - 1) = x \cdot 2$

Step 2

Solve the equation for $x$ .

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Step 2.1

Multiply $3 x - 1$ by $1$ .

$3 x - 1 = x \cdot 2$

Step 2.2

Move $2$ to the left of $x$ .

$3 x - 1 = 2 x$

Step 2.3

Move all terms containing $x$ to the left side of the equation.

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Step 2.3.1

Subtract $2 x$ from both sides of the equation.

$3 x - 1 - 2 x = 0$

Step 2.3.2

Subtract $2 x$ from $3 x$ .

$x - 1 = 0$

Step 2.4

Add $1$ to both sides of the equation.

$x = 1$