## Linear Equations in Two Unknowns-Real Numbers

This math review page deals with linear equations with two unknowns in which the terms are real numbers.
Its operation is simple. Press "New Problem" and a linear equation and a question will
appear in the top frame. Determine the value of the answer and enter it in the cell. Press
"Check Answer" and the results will appear in the second table.

**Hints**
- Be careful about the signs of the answer
- You must enter your answer as a decimal number. Thus, you must enter .125, not 1/8
- Your answer must have 1% agreement with the correct answer, so you should
enter it to 3 significant figures.