Question
Find the value of 1 unit.
  1. 9 u - 25 = 5 u - 9
  2. 5 u - 1 = 9 u - 13
  3. 4 - 3 u = 28 - 6 u
  4. 20 - 6 u = 5 - 3 u
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. 9 u - 25 = 5 u - 9
  2. 5 u - 1 = 9 u - 13
  3. 4 - 3 u = 28 - 6 u
  4. 20 - 6 u = 5 - 3 u