Question
Find the value of 1 unit.
  1. 9 u - 13 = 4 - 8 u
  2. 4 - 8 u = 9 u - 13
  3. 2 u - 8 = 13 - 5 u
  4. 13 - 5 u = 2 u - 8
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 - 13 = 4 - 8 u
  2. 4 - 8 u = 9 u - 13
  3. 2 u - 8 = 13 - 5 u
  4. 13 - 5 u = 2 u - 8