Question
Find the value of 1 unit.
  1. 8 u + 2 = 1 u + 23
  2. 5 u + 15 = 9 u + 7
  3. 9 u - 23 = 3 u + 7
  4. 5 u - 3 = 3 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. 8 u + 2 = 1 u + 23
  2. 5 u + 15 = 9 u + 7
  3. 9 u - 23 = 3 u + 7
  4. 5 u - 3 = 3 u + 7