Question
Find the value of 1 unit.
  1. 9 u + 2 = 3 u + 20
  2. 3 u + 23 = 6 u + 8
  3. 7 u - 23 = 4 u + 1
  4. 12 u - 21 = 5 u + 7
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 + 2 = 3 u + 20
  2. 3 u + 23 = 6 u + 8
  3. 7 u - 23 = 4 u + 1
  4. 12 u - 21 = 5 u + 7