Question
Find the value of 1 unit.
  1. 6 u - 30 = 12
  2. 8 u - 30 = 3 u
  3. 8 = 2 u - 22
  4. 7 u = 11 u - 20
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. 6 u - 30 = 12
  2. 8 u - 30 = 3 u
  3. 8 = 2 u - 22
  4. 7 u = 11 u - 20