Question
Find the value of 1 unit.
  1. 1 u + 49 = 146
  2. 6 + 1 u = 15
  3. 14 = 1 u - 3
  4. 15 = 5 + 1 u
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. 1 u + 49 = 146
  2. 6 + 1 u = 15
  3. 14 = 1 u - 3
  4. 15 = 5 + 1 u