Question
Find the value of 1 unit.
  1. 10 u - 13 = 1 u - 4
  2. 4 u - 5 = 8 u - 17
  3. 6 - 4 u = 21 - 7 u
  4. 6 - 7 u = 2 - 5 u
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. 10 u - 13 = 1 u - 4
  2. 4 u - 5 = 8 u - 17
  3. 6 - 4 u = 21 - 7 u
  4. 6 - 7 u = 2 - 5 u