Question
Find the value of 1 unit.
  1. 4 u + 7 = 22 - 1 u
  2. 22 - 2 u = 3 u + 2
  3. 2 u - 4 = 20 - 2 u
  4. 32 - 4 u = 2 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. 4 u + 7 = 22 - 1 u
  2. 22 - 2 u = 3 u + 2
  3. 2 u - 4 = 20 - 2 u
  4. 32 - 4 u = 2 u - 4