Question
Find the value of 1 unit.
  1. 3 u + 5 = 20 - 2 u
  2. 22 - 2 u = 5 u + 1
  3. 4 u - 5 = 15 - 1 u
  4. 47 - 7 u = 2 u - 7
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 + 5 = 20 - 2 u
  2. 22 - 2 u = 5 u + 1
  3. 4 u - 5 = 15 - 1 u
  4. 47 - 7 u = 2 u - 7