Question
Find the value of 1 unit.
  1. 9 u - 13 = 3 u - 7
  2. 3 u - 6 = 6 u - 18
  3. 9 - 5 u = 24 - 10 u
  4. 21 - 6 u = 9 - 3 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 - 13 = 3 u - 7
  2. 3 u - 6 = 6 u - 18
  3. 9 - 5 u = 24 - 10 u
  4. 21 - 6 u = 9 - 3 u