Question
Find the value of 1 unit.
  1. 10 u - 30 = 5 u - 5
  2. 5 u - 3 = 9 u - 27
  3. 1 - 4 u = 13 - 10 u
  4. 15 - 4 u = 5 - 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. 10 u - 30 = 5 u - 5
  2. 5 u - 3 = 9 u - 27
  3. 1 - 4 u = 13 - 10 u
  4. 15 - 4 u = 5 - 2 u