Question
Find the value of 1 unit.
  1. 7 u - 28 = 5 u - 4
  2. 5 u - 7 = 7 u - 27
  3. 6 - 1 u = 30 - 7 u
  4. 25 - 5 u = 7 - 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. 7 u - 28 = 5 u - 4
  2. 5 u - 7 = 7 u - 27
  3. 6 - 1 u = 30 - 7 u
  4. 25 - 5 u = 7 - 2 u