Question
Find the value of 1 unit.
  1. 7 u - 27 = 5 - 1 u
  2. 5 - 1 u = 7 u - 27
  3. 9 u - 1 = 15 - 7 u
  4. 15 - 7 u = 9 u - 1
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 - 27 = 5 - 1 u
  2. 5 - 1 u = 7 u - 27
  3. 9 u - 1 = 15 - 7 u
  4. 15 - 7 u = 9 u - 1