Question
Find the value of 1 unit.
  1. 4 u - 21 = 19
  2. 11 u - 27 = 2 u
  3. 8 = 3 u - 16
  4. 2 u = 5 u - 21
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 - 21 = 19
  2. 11 u - 27 = 2 u
  3. 8 = 3 u - 16
  4. 2 u = 5 u - 21