1/6 Example 1:
One angle is five degrees less than three times the measure of
another angle. Together, the angle measures have a sum
of 143°. What is the measure of each angle?
Step 1:
Draw a diagram to help you make sense of
the problem

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books