Question
Find the value of 1 unit.
  1. 9 u + 4 = 2 u + 18
  2. 5 u + 27 = 9 u + 7
  3. 7 u - 21 = 4 u + 9
  4. 7 u - 2 = 2 u + 3
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 + 4 = 2 u + 18
  2. 5 u + 27 = 9 u + 7
  3. 7 u - 21 = 4 u + 9
  4. 7 u - 2 = 2 u + 3