# How do you solve #1- \frac{7}{9} a = - \frac{5}{9}#?

##### 1 Answer

#### Explanation:

If you are solving for a, you would first find the common denominator between the two fractions, but they have already given equal denominators.

Multiply both sides by 9 to get rid of the fractions (they call this fraction busting...)

Next, you can add

Now divide both sides by 7...