Question
Find the value of 1 unit.
  1. 8 u + 100 = 660
  2. 100 + 8 u = 660
  3. 6 u - 100 = 260
  4. 260 = 6 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. 8 u + 100 = 660
  2. 100 + 8 u = 660
  3. 6 u - 100 = 260
  4. 260 = 6 u - 100