Dx-y+ab=z solve for x

Step-by-step explanation:

First move (- y + ab ) to the other side of the equation

Divide both sides by d to make x stand alone

We have the final answer as

Hope this helps you

The two word phrase could be:  "For Every"

When we are writing a ratio or fraction, we are comparing two different quantities. 

Imagine that a track athlete has to run 3 miles for every day of practice. We could write the ratio 3:1.

Imagine that your parents are going to pay you $15 for every A on your report card. We could write the ratio 15:1

The key words are "For Every".