Question
Find the value of 1 unit.
  1. 8 u - 20 = 3 u - 5
  2. 4 u - 3 = 6 u - 21
  3. 5 - 4 u = 25 - 6 u
  4. 21 - 5 u = 9 - 1 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 - 20 = 3 u - 5
  2. 4 u - 3 = 6 u - 21
  3. 5 - 4 u = 25 - 6 u
  4. 21 - 5 u = 9 - 1 u