Question
Find the value of 1 unit.
  1. 6 u + 30 = 630
  2. 30 + 6 u = 630
  3. 2 u - 60 = 40
  4. 40 = 2 u - 60
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. 6 u + 30 = 630
  2. 30 + 6 u = 630
  3. 2 u - 60 = 40
  4. 40 = 2 u - 60