Algebra Examples

$\frac{1}{2 \sqrt{x}} = \frac{1}{2}$

Step 1

Cross multiply.

Tap for more steps...

Step 1.1

Cross multiply by setting the product of the numerator of the right side and the denominator of the left side equal to the product of the numerator of the left side and the denominator of the right side.

$1 \cdot (2 \sqrt{x}) = 1 \cdot (2)$

Step 1.2

Simplify the left side.

Tap for more steps...

Step 1.2.1

Multiply $2 \sqrt{x}$ by $1$ .

$2 \sqrt{x} = 1 \cdot (2)$

Step 1.3

Simplify the right side.

Tap for more steps...

Step 1.3.1

Multiply $2$ by $1$ .

$2 \sqrt{x} = 2$

Step 2

To remove the radical on the left side of the equation, square both sides of the equation.

${(2 \sqrt{x})}^{2} = 2^{2}$

Step 3

Simplify each side of the equation.

Tap for more steps...

Step 3.1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{x}$ as $x^{\frac{1}{2}}$ .

${(2 x^{\frac{1}{2}})}^{2} = 2^{2}$

Step 3.2

Simplify the left side.

Tap for more steps...

Step 3.2.1

Simplify ${(2 x^{\frac{1}{2}})}^{2}$ .

Tap for more steps...

Step 3.2.1.1

Apply the product rule to $2 x^{\frac{1}{2}}$ .

$2^{2} {(x^{\frac{1}{2}})}^{2} = 2^{2}$

Step 3.2.1.2

Raise $2$ to the power of $2$ .

$4 {(x^{\frac{1}{2}})}^{2} = 2^{2}$

Step 3.2.1.3

Multiply the exponents in ${(x^{\frac{1}{2}})}^{2}$ .

Tap for more steps...

Step 3.2.1.3.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$4 x^{\frac{1}{2} \cdot 2} = 2^{2}$

Step 3.2.1.3.2

Cancel the common factor of $2$ .

Tap for more steps...

Step 3.2.1.3.2.1

Cancel the common factor.

$4 x^{\frac{1}{2} \cdot 2} = 2^{2}$

Step 3.2.1.3.2.2

Rewrite the expression.

$4 x^{1} = 2^{2}$

Step 3.2.1.4

Simplify.

$4 x = 2^{2}$

Step 3.3

Simplify the right side.

Tap for more steps...

Step 3.3.1

Raise $2$ to the power of $2$ .

$4 x = 4$

Step 4

Divide each term in $4 x = 4$ by $4$ and simplify.

Tap for more steps...

Step 4.1

Divide each term in $4 x = 4$ by $4$ .

$\frac{4 x}{4} = \frac{4}{4}$

Step 4.2

Simplify the left side.

Tap for more steps...

Step 4.2.1

Cancel the common factor of $4$ .

Tap for more steps...

Step 4.2.1.1

Cancel the common factor.

$\frac{4 x}{4} = \frac{4}{4}$

Step 4.2.1.2

Divide $x$ by $1$ .

$x = \frac{4}{4}$

Step 4.3

Simplify the right side.

Tap for more steps...

Step 4.3.1

Divide $4$ by $4$ .

$x = 1$