Question
Find the value of 1 unit.
  1. 10 u - 27 = 5 u - 7
  2. 3 u - 9 = 7 u - 13
  3. 1 - 5 u = 21 - 10 u
  4. 18 - 3 u = 2 - 1 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 - 27 = 5 u - 7
  2. 3 u - 9 = 7 u - 13
  3. 1 - 5 u = 21 - 10 u
  4. 18 - 3 u = 2 - 1 u