# Precalculus Examples

Step 1

Move the negative in front of the fraction.

Step 2

Step 2.1

Subtract from both sides of the equation.

Step 2.2

Combine the numerators over the common denominator.

Step 2.3

Subtract from .

Step 3

Since the expression on each side of the equation has the same denominator, the numerators must be equal.

Step 4

Step 4.1

Divide each term in by .

Step 4.2

Simplify the left side.

Step 4.2.1

Cancel the common factor of .

Step 4.2.1.1

Cancel the common factor.

Step 4.2.1.2

Divide by .

Step 4.3

Simplify the right side.

Step 4.3.1

Move the negative in front of the fraction.

Step 5

The result can be shown in multiple forms.

Exact Form:

Decimal Form: