Question
Find the value of 1 unit.
  1. 2 u + 1 = 17 - 2 u
  2. 21 - 1 u = 3 u + 1
  3. 2 u - 2 = 22 - 1 u
  4. 29 - 3 u = 3 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 + 1 = 17 - 2 u
  2. 21 - 1 u = 3 u + 1
  3. 2 u - 2 = 22 - 1 u
  4. 29 - 3 u = 3 u - 1