Question
Find the value of 1 unit.
  1. 9 u + 60 = 150
  2. 60 + 9 u = 150
  3. 7 u - 100 = 460
  4. 460 = 7 u - 100
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 + 60 = 150
  2. 60 + 9 u = 150
  3. 7 u - 100 = 460
  4. 460 = 7 u - 100