Question
Find the value of 1 unit.
  1. 3 u + 3 = 21 - 3 u
  2. 20 - 4 u = 2 u + 8
  3. 1 u - 7 = 25 - 3 u
  4. 30 - 4 u = 3 u - 5
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. 3 u + 3 = 21 - 3 u
  2. 20 - 4 u = 2 u + 8
  3. 1 u - 7 = 25 - 3 u
  4. 30 - 4 u = 3 u - 5