Question
Find the value of 1 unit.
  1. 4 u + 8 = 23 - 1 u
  2. 18 - 5 u = 2 u + 4
  3. 4 u - 8 = 16 - 4 u
  4. 11 - 1 u = 5 u - 7
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 + 8 = 23 - 1 u
  2. 18 - 5 u = 2 u + 4
  3. 4 u - 8 = 16 - 4 u
  4. 11 - 1 u = 5 u - 7