Move to the left side of the equation by subtracting it from both sides.

Cancel the common factor of and .

Rewrite as .

Move the negative in front of the fraction.

To write as a fraction with a common denominator, multiply by .

To write as a fraction with a common denominator, multiply by .

Write each expression with a common denominator of , by multiplying each by an appropriate factor of .

Multiply and .

Multiply and .

Reorder the factors of .

Combine the numerators over the common denominator.

Simplify the numerator.

Apply the distributive property.

Multiply by .

Multiply .

Multiply by .

Multiply by .

Subtract from .

Simplify with factoring out.

Rewrite as .

Factor out of .

Factor out of .

Move the negative in front of the fraction.

Find all the values where the expression switches from negative to positive by setting each factor equal to and solving.

Subtract from both sides of the equation.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Move the negative in front of the fraction.

Subtract from both sides of the equation.

Multiply each term in by .

Multiply .

Multiply by .

Multiply by .

Multiply by .

Solve for each factor to find the values where the absolute value expression goes from negative to positive.

Consolidate the solutions.

Set the denominator in equal to to find where the expression is undefined.

Solve for .

If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .

Set the first factor equal to .

Set the next factor equal to and solve.

Set the next factor equal to .

Subtract from both sides of the equation.

Multiply each term in by

Multiply each term in by .

Multiply .

Multiply by .

Multiply by .

Multiply by .

The final solution is all the values that make true.

The domain is all values of that make the expression defined.

Use each root to create test intervals.

Test a value on the interval to see if it makes the inequality true.

Choose a value on the interval and see if this value makes the original inequality true.

Replace with in the original inequality.

The left side is less than the right side , which means that the given statement is always true.

True

True

Test a value on the interval to see if it makes the inequality true.

Choose a value on the interval and see if this value makes the original inequality true.

Replace with in the original inequality.

The left side is greater than the right side , which means that the given statement is false.

False

False

Test a value on the interval to see if it makes the inequality true.

Choose a value on the interval and see if this value makes the original inequality true.

Replace with in the original inequality.

The left side is less than the right side , which means that the given statement is always true.

True

True

Test a value on the interval to see if it makes the inequality true.

Choose a value on the interval and see if this value makes the original inequality true.

Replace with in the original inequality.

The left side is greater than the right side , which means that the given statement is false.

False

False

Compare the intervals to determine which ones satisfy the original inequality.

True

False

True

False

True

False

True

False

The solution consists of all of the true intervals.

or

Convert the inequality to interval notation.

Convert to Interval Notation 1/(-x)<=5/(7-x)