Question
Find the value of 1 unit.
  1. 9 u + 9 = 3 u + 21
  2. 2 u + 16 = 9 u + 2
  3. 10 u - 15 = 5 u + 10
  4. 4 u - 3 = 2 u + 1
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 = 3 u + 21
  2. 2 u + 16 = 9 u + 2
  3. 10 u - 15 = 5 u + 10
  4. 4 u - 3 = 2 u + 1