Question
Find the value of 1 unit.
  1. 7 u - 15 = 1 u - 3
  2. 5 u - 8 = 9 u - 12
  3. 6 - 3 u = 14 - 7 u
  4. 21 - 5 u = 9 - 1 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. 7 u - 15 = 1 u - 3
  2. 5 u - 8 = 9 u - 12
  3. 6 - 3 u = 14 - 7 u
  4. 21 - 5 u = 9 - 1 u