Question
Find the value of 1 unit.
  1. 10 u - 30 = 3 u - 9
  2. 4 u - 1 = 10 u - 25
  3. 7 - 2 u = 21 - 9 u
  4. 18 - 4 u = 9 - 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. 10 u - 30 = 3 u - 9
  2. 4 u - 1 = 10 u - 25
  3. 7 - 2 u = 21 - 9 u
  4. 18 - 4 u = 9 - 1 u