Question
Find the value of 1 unit.
  1. 1 u + 3 = 21 - 1 u
  2. 16 - 1 u = 1 u + 6
  3. 5 u - 1 = 23 - 3 u
  4. 9 - 1 u = 5 u - 9
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. 1 u + 3 = 21 - 1 u
  2. 16 - 1 u = 1 u + 6
  3. 5 u - 1 = 23 - 3 u
  4. 9 - 1 u = 5 u - 9