Question
Find the value of 1 unit.
  1. 2 u + 30 = 190
  2. 30 + 2 u = 190
  3. 5 u - 10 = 90
  4. 90 = 5 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. 2 u + 30 = 190
  2. 30 + 2 u = 190
  3. 5 u - 10 = 90
  4. 90 = 5 u - 10