Question
Find the value of 1 unit.
  1. 7 u + 5 = 3 u + 21
  2. 5 u + 23 = 7 u + 3
  3. 7 u - 11 = 4 u + 4
  4. 9 u - 15 = 4 u + 5
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 + 5 = 3 u + 21
  2. 5 u + 23 = 7 u + 3
  3. 7 u - 11 = 4 u + 4
  4. 9 u - 15 = 4 u + 5