Question
Find the value of 1 unit.
  1. 1 u + 3 = 23 - 1 u
  2. 25 - 1 u = 2 u + 7
  3. 4 u - 4 = 21 - 1 u
  4. 50 - 5 u = 4 u - 4
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. 1 u + 3 = 23 - 1 u
  2. 25 - 1 u = 2 u + 7
  3. 4 u - 4 = 21 - 1 u
  4. 50 - 5 u = 4 u - 4