Question
Find the value of 1 unit.
  1. 9 u - 20 = 8 - 5 u
  2. 8 - 5 u = 9 u - 20
  3. 2 u - 5 = 25 - 3 u
  4. 25 - 3 u = 2 u - 5
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 - 20 = 8 - 5 u
  2. 8 - 5 u = 9 u - 20
  3. 2 u - 5 = 25 - 3 u
  4. 25 - 3 u = 2 u - 5