Chapter 5: Systems of Equations
The internet has many of the following picture number puzzles. All are quickly and easily solved with the strategies used for solving systems of equations. What are the solutions for the following picture puzzles?
- A more challenging system of equations is the four-by-four puzzle shown below. Each individual row and column are summed to the number in either row or column 5. Find the five missing numbers and place them in their correct positions.
|Rows||Column 1||Column 2||Column 3||Column 4||Column 5|
<a class=”internal” href=”/intermediatealgebraberg/back-matter/answer-key-5-7/”>Answer key 5.7