Question
Find the value of 1 unit.
  1. 5 u - 15 = 15
  2. 8 u - 20 = 3 u
  3. 8 = 2 u - 28
  4. 4 u = 10 u - 60
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. 5 u - 15 = 15
  2. 8 u - 20 = 3 u
  3. 8 = 2 u - 28
  4. 4 u = 10 u - 60