Question
Find the value of 1 unit.
  1. 5 u - 12 = 13
  2. 9 u - 28 = 2 u
  3. 9 = 4 u - 23
  4. 6 u = 10 u - 40
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 - 12 = 13
  2. 9 u - 28 = 2 u
  3. 9 = 4 u - 23
  4. 6 u = 10 u - 40