Question
Find the value of 1 unit.
  1. 3 u + 60 = 330
  2. 60 + 3 u = 330
  3. 4 u - 40 = 200
  4. 200 = 4 u - 40
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. 3 u + 60 = 330
  2. 60 + 3 u = 330
  3. 4 u - 40 = 200
  4. 200 = 4 u - 40