Question
Find the value of 1 unit.
  1. 5 u + 100 = 300
  2. 100 + 5 u = 300
  3. 9 u - 20 = 880
  4. 880 = 9 u - 20
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. 5 u + 100 = 300
  2. 100 + 5 u = 300
  3. 9 u - 20 = 880
  4. 880 = 9 u - 20