Question
Find the value of 1 unit.
  1. 4 u + 40 = 200
  2. 40 + 4 u = 200
  3. 8 u - 80 = 560
  4. 560 = 8 u - 80
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 + 40 = 200
  2. 40 + 4 u = 200
  3. 8 u - 80 = 560
  4. 560 = 8 u - 80