Question
Find the value of 1 unit.
  1. 8 u - 28 = 5 u - 7
  2. 4 u - 8 = 10 u - 20
  3. 7 - 4 u = 27 - 6 u
  4. 23 - 7 u = 2 - 4 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 - 28 = 5 u - 7
  2. 4 u - 8 = 10 u - 20
  3. 7 - 4 u = 27 - 6 u
  4. 23 - 7 u = 2 - 4 u