Question
Find the value of 1 unit.
  1. 8 u - 30 = 1 u - 9
  2. 1 u - 10 = 10 u - 19
  3. 1 - 5 u = 25 - 9 u
  4. 20 - 4 u = 4 - 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. 8 u - 30 = 1 u - 9
  2. 1 u - 10 = 10 u - 19
  3. 1 - 5 u = 25 - 9 u
  4. 20 - 4 u = 4 - 2 u