Question
Find the value of 1 unit.
  1. 3 u + 1 = 19 - 3 u
  2. 20 - 5 u = 1 u + 2
  3. 3 u - 9 = 15 - 3 u
  4. 52 - 3 u = 4 u - 4
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 + 1 = 19 - 3 u
  2. 20 - 5 u = 1 u + 2
  3. 3 u - 9 = 15 - 3 u
  4. 52 - 3 u = 4 u - 4