Question
Find the value of 1 unit.
  1. 3 u - 27 = 9 - 3 u
  2. 9 - 3 u = 3 u - 27
  3. 4 u - 3 = 18 - 3 u
  4. 18 - 3 u = 4 u - 3
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. 3 u - 27 = 9 - 3 u
  2. 9 - 3 u = 3 u - 27
  3. 4 u - 3 = 18 - 3 u
  4. 18 - 3 u = 4 u - 3