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