Question
Find the value of 1 unit.
  1. 7 u - 20 = 2 u - 10
  2. 2 u - 7 = 8 u - 13
  3. 3 - 2 u = 18 - 7 u
  4. 20 - 6 u = 10 - 4 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. 7 u - 20 = 2 u - 10
  2. 2 u - 7 = 8 u - 13
  3. 3 - 2 u = 18 - 7 u
  4. 20 - 6 u = 10 - 4 u