Question
Find the value of 1 unit.
  1. 3 u - 19 = 20
  2. 8 u - 30 = 2 u
  3. 5 = 4 u - 23
  4. 4 u = 8 u - 24
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. 3 u - 19 = 20
  2. 8 u - 30 = 2 u
  3. 5 = 4 u - 23
  4. 4 u = 8 u - 24