Question
Find the value of 1 unit.
  1. 6 u - 21 = 15
  2. 12 u - 18 = 3 u
  3. 8 = 5 u - 27
  4. 4 u = 8 u - 24
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. 6 u - 21 = 15
  2. 12 u - 18 = 3 u
  3. 8 = 5 u - 27
  4. 4 u = 8 u - 24