Question
Find the value of 1 unit.
  1. 7 u + 1 = 5 u + 21
  2. 3 u + 28 = 6 u + 4
  3. 9 u - 15 = 5 u + 1
  4. 8 u - 17 = 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. 7 u + 1 = 5 u + 21
  2. 3 u + 28 = 6 u + 4
  3. 9 u - 15 = 5 u + 1
  4. 8 u - 17 = 1 u + 4