Question
Find the value of 1 unit.
  1. 2 u - 28 = 16
  2. 10 u - 30 = 4 u
  3. 7 = 3 u - 17
  4. 2 u = 9 u - 49
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. 2 u - 28 = 16
  2. 10 u - 30 = 4 u
  3. 7 = 3 u - 17
  4. 2 u = 9 u - 49