Question
Find the value of 1 unit.
  1. 9 u - 27 = 5 u - 7
  2. 2 u - 7 = 6 u - 27
  3. 5 - 1 u = 11 - 7 u
  4. 16 - 4 u = 10 - 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. 9 u - 27 = 5 u - 7
  2. 2 u - 7 = 6 u - 27
  3. 5 - 1 u = 11 - 7 u
  4. 16 - 4 u = 10 - 1 u