Question
Find the value of 1 unit.
  1. 2 u + 4 = 20 - 2 u
  2. 20 - 3 u = 2 u + 5
  3. 4 u - 8 = 16 - 2 u
  4. 50 - 6 u = 2 u - 6
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. 2 u + 4 = 20 - 2 u
  2. 20 - 3 u = 2 u + 5
  3. 4 u - 8 = 16 - 2 u
  4. 50 - 6 u = 2 u - 6