Question
Find the value of 1 unit.
  1. 5 u - 10 = 10
  2. 9 u - 20 = 4 u
  3. 3 = 3 u - 27
  4. 5 u = 11 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. 5 u - 10 = 10
  2. 9 u - 20 = 4 u
  3. 3 = 3 u - 27
  4. 5 u = 11 u - 12