Question
Find the value of 1 unit.
  1. 5 u - 20 = 15
  2. 8 u - 24 = 2 u
  3. 5 = 4 u - 19
  4. 5 u = 12 u - 42
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. 5 u - 20 = 15
  2. 8 u - 24 = 2 u
  3. 5 = 4 u - 19
  4. 5 u = 12 u - 42