Question
Find the value of 1 unit.
  1. 9 u - 21 = 5 u - 1
  2. 5 u - 1 = 10 u - 26
  3. 9 - 4 u = 19 - 9 u
  4. 26 - 6 u = 6 - 2 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 - 21 = 5 u - 1
  2. 5 u - 1 = 10 u - 26
  3. 9 - 4 u = 19 - 9 u
  4. 26 - 6 u = 6 - 2 u