Question
Find the value of 1 unit.
  1. 6 u - 12 = 18
  2. 9 u - 30 = 3 u
  3. 1 = 2 u - 29
  4. 3 u = 9 u - 12
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

(d)

Click button first when a symbol is required. X

Find the value of 1 unit.
  1. 6 u - 12 = 18
  2. 9 u - 30 = 3 u
  3. 1 = 2 u - 29
  4. 3 u = 9 u - 12