Question
Find the value of 1 unit.
  1. 2 u - 20 = 14
  2. 9 u - 21 = 2 u
  3. 5 = 2 u - 23
  4. 3 u = 7 u - 32
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. 2 u - 20 = 14
  2. 9 u - 21 = 2 u
  3. 5 = 2 u - 23
  4. 3 u = 7 u - 32