Question

you are taking your quiz and encounter a proportion with subtraction in one of the denominators. you know your first step is to cross multiply when solving a proportion. this strategy is the best way to proceed after cross - multiplying. the distributive property subtract the other denominator multiply the first term only make the denominators the same

Explanation:

After cross - multiplying in a proportion, if there is a subtraction in one of the expressions, the distributive property is used to expand and simplify the resulting equation. For example, if we have $a(b - c)$ after cross - multiplying, we use the distributive property $a(b - c)=ab - ac$ to further solve for the variable.

Answer:

The distributive property