Question
Find the value of 1 unit.
  1. 4 u - 16 = 16
  2. 8 u - 20 = 3 u
  3. 7 = 3 u - 20
  4. 3 u = 9 u - 36
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. 4 u - 16 = 16
  2. 8 u - 20 = 3 u
  3. 7 = 3 u - 20
  4. 3 u = 9 u - 36