Move all terms not containing from the center section of the inequality.

Add to each section of the inequality because it does not contain the variable we are trying to solve for.

Add and .

Add and .

Multiply each term in the inequality by .

Multiply by .

Multiply .

Multiply by .

Multiply by .

Multiply by .

Rewrite the interval so that the left value is less than the right value. This is the correct way to write an interval solution.

Use the inequality to build the set notation.

Convert to Set Notation 4<-z-4<11