Question
3 Y + 3 Z = 21
5 Y + 3 Z = 29

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

3 Y + 3 Z = 21
5 Y + 3 Z = 29

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