Question
Find the value of 1 unit.
  1. 4 u + 30 = 150
  2. 30 + 4 u = 150
  3. 6 u - 40 = 200
  4. 200 = 6 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. 4 u + 30 = 150
  2. 30 + 4 u = 150
  3. 6 u - 40 = 200
  4. 200 = 6 u - 40