Please use the applet to practice using the substitution technique. However, the computer cannot tell how you found your answers: if you think that you need more practice using elimination, feel free to use that instead to solve the system.[br][br]Also, numbers are randomly generated, so your answers will MOST LIKELY be UGLY FRACTIONS. This is OK: please do your best, and trust in your skills. If necessary, use a calculator.

How many can you get right in a row?