Question
Find the value of 1 unit.
  1. 5 u + 6 = 20 - 2 u
  2. 23 - 4 u = 4 u + 7
  3. 1 u - 5 = 15 - 3 u
  4. 15 - 6 u = 3 u - 3
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. 5 u + 6 = 20 - 2 u
  2. 23 - 4 u = 4 u + 7
  3. 1 u - 5 = 15 - 3 u
  4. 15 - 6 u = 3 u - 3