Pre-Algebra Demystified

2. 2xþ3y¼ 12
   xþ4y¼ 11


3. 4xþy¼ 10
   2xþy¼ 6


4. x
   5y¼ 6
   5x
   y¼ 6


5. xþ3y¼
   7
   6x
   y¼ 15

ANSWERS

1. (7, 3)


2. (3, 2)


3. (2, 2)


4. (1,
   1)


5. (2,
   3)

Quiz

Use Fig. 11-29 to answer questions 1–5.

228 CHAPTER 11 Graphing

Fig. 11-29.