Question
Find the value of 1 unit.
  1. 4 u - 15 = 13
  2. 11 u - 28 = 4 u
  3. 8 = 7 u - 20
  4. 4 u = 13 u - 45
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. 4 u - 15 = 13
  2. 11 u - 28 = 4 u
  3. 8 = 7 u - 20
  4. 4 u = 13 u - 45