Question
Find the value of 1 unit.
  1. 6 u - 20 = 4 u - 4
  2. 1 u - 9 = 7 u - 27
  3. 10 - 3 u = 22 - 7 u
  4. 13 - 4 u = 3 - 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. 6 u - 20 = 4 u - 4
  2. 1 u - 9 = 7 u - 27
  3. 10 - 3 u = 22 - 7 u
  4. 13 - 4 u = 3 - 2 u