Question
6 Y + 4 Z = 68
7 Y + 5 Z = 81

Fill in the blanks.
  1. 1 Y = _____
  2. 1 Z = _____
  3. 2 Y + 5 Z = _____



4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

6 Y + 4 Z = 68
7 Y + 5 Z = 81

Fill in the blanks.
  1. 1 Y = _____
  2. 1 Z = _____
  3. 2 Y + 5 Z = _____