Question
Find the value of 1 unit.
  1. 9 u + 8 = 3 u + 20
  2. 1 u + 13 = 10 u + 4
  3. 6 u - 19 = 4 u + 1
  4. 8 u - 7 = 1 u + 7
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 + 8 = 3 u + 20
  2. 1 u + 13 = 10 u + 4
  3. 6 u - 19 = 4 u + 1
  4. 8 u - 7 = 1 u + 7