Question
Find the value of 1 unit.
  1. 9 u - 11 = 5 u - 7
  2. 5 u - 10 = 8 u - 13
  3. 2 - 4 u = 20 - 6 u
  4. 23 - 4 u = 9 - 2 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 - 11 = 5 u - 7
  2. 5 u - 10 = 8 u - 13
  3. 2 - 4 u = 20 - 6 u
  4. 23 - 4 u = 9 - 2 u