Question
Find the value of 1 unit.
  1. 7 u - 27 = 5 u - 5
  2. 5 u - 9 = 9 u - 25
  3. 1 - 2 u = 26 - 7 u
  4. 21 - 6 u = 7 - 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. 7 u - 27 = 5 u - 5
  2. 5 u - 9 = 9 u - 25
  3. 1 - 2 u = 26 - 7 u
  4. 21 - 6 u = 7 - 4 u