Question
Find the value of 1 unit.
  1. 5 u + 10 = 160
  2. 10 + 5 u = 160
  3. 4 u - 10 = 190
  4. 190 = 4 u - 10
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 + 10 = 160
  2. 10 + 5 u = 160
  3. 4 u - 10 = 190
  4. 190 = 4 u - 10