Question
Find the value of 1 unit.
  1. 2 u + 7 = 19 - 4 u
  2. 21 - 1 u = 1 u + 1
  3. 2 u - 10 = 23 - 1 u
  4. 35 - 5 u = 5 u - 5
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 + 7 = 19 - 4 u
  2. 21 - 1 u = 1 u + 1
  3. 2 u - 10 = 23 - 1 u
  4. 35 - 5 u = 5 u - 5