Question
Find the value of 1 unit.
  1. 9 u + 9 = 5 u + 25
  2. 2 u + 23 = 7 u + 3
  3. 7 u - 17 = 1 u + 1
  4. 6 u - 9 = 1 u + 6
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. 9 u + 9 = 5 u + 25
  2. 2 u + 23 = 7 u + 3
  3. 7 u - 17 = 1 u + 1
  4. 6 u - 9 = 1 u + 6