Question
Find the value of 1 unit.
  1. 9 u + 100 = 730
  2. 100 + 9 u = 730
  3. 5 u - 20 = 130
  4. 130 = 5 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. 9 u + 100 = 730
  2. 100 + 9 u = 730
  3. 5 u - 20 = 130
  4. 130 = 5 u - 20