Question
Find the value of 1 unit.
  1. 9 u + 1 = 2 u + 15
  2. 2 u + 28 = 7 u + 3
  3. 9 u - 16 = 2 u + 5
  4. 7 u - 8 = 1 u + 4
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 + 1 = 2 u + 15
  2. 2 u + 28 = 7 u + 3
  3. 9 u - 16 = 2 u + 5
  4. 7 u - 8 = 1 u + 4