Question
Find the value of 1 unit.
  1. 4 u - 16 = 16
  2. 9 u - 28 = 2 u
  3. 4 = 6 u - 20
  4. 5 u = 8 u - 6
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. 4 u - 16 = 16
  2. 9 u - 28 = 2 u
  3. 4 = 6 u - 20
  4. 5 u = 8 u - 6