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 by .

Multiply and .

Multiply by .

Combine the numerators over the common denominator.

Rewrite in a factored form.

Apply the distributive property.

Move to the left of .

Multiply by .

Apply the distributive property.

Move to the left of .

Multiply by .

Add and .

Add and .

Multiply both sides of the equation by .

Remove parentheses.

Simplify .

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Move all terms not containing to the right side of the equation.

Add to both sides of the equation.

Add and .

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Divide by .

Solve for n (n-5)/8+(n+4)/9=19/36