Question
Find the value of 1 unit.
  1. 2 u - 28 = 2 - 1 u
  2. 2 - 1 u = 2 u - 28
  3. 2 u - 1 = 17 - 7 u
  4. 17 - 7 u = 2 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. 2 u - 28 = 2 - 1 u
  2. 2 - 1 u = 2 u - 28
  3. 2 u - 1 = 17 - 7 u
  4. 17 - 7 u = 2 u - 1