Question
Find the value of 1 unit.
  1. 8 u - 15 = 9 - 4 u
  2. 9 - 4 u = 8 u - 15
  3. 8 u - 4 = 12 - 8 u
  4. 12 - 8 u = 8 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. 8 u - 15 = 9 - 4 u
  2. 9 - 4 u = 8 u - 15
  3. 8 u - 4 = 12 - 8 u
  4. 12 - 8 u = 8 u - 4