English subtitles

← Combining Equations - College Algebra

Get Embed Code
2 Languages

Showing Revision 2 created 05/24/2016 by Udacity Robot.

  1. Since point p is a point that is shared, by both the line, y equals 850, and the
  2. line y, equals 10x plus 150, both of these lines have the same y value at that
  3. point. Since the y value of y equals 850 is always 850, that means that this the
  4. y value of 10x plus 150 at point p. So, we just need to substitute 850 into the
  5. spot of y, in the second equation. That gives us a single equation of 850 equals
  6. 10x plus 150. And yes, x is the only variable in this equation.