Question
Find the value of 1 unit.
  1. 4 u - 17 = 15
  2. 9 u - 20 = 4 u
  3. 9 = 5 u - 26
  4. 7 u = 14 u - 70
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 - 17 = 15
  2. 9 u - 20 = 4 u
  3. 9 = 5 u - 26
  4. 7 u = 14 u - 70