Question
Find the value of 1 unit.
  1. 2 u + 5 = 23 - 1 u
  2. 18 - 1 u = 1 u + 8
  3. 2 u - 4 = 17 - 1 u
  4. 28 - 4 u = 2 u - 2
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 + 5 = 23 - 1 u
  2. 18 - 1 u = 1 u + 8
  3. 2 u - 4 = 17 - 1 u
  4. 28 - 4 u = 2 u - 2