Question
Find the value of 1 unit.
  1. 3 u + 40 = 130
  2. 40 + 3 u = 130
  3. 4 u - 60 = 260
  4. 260 = 4 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. 3 u + 40 = 130
  2. 40 + 3 u = 130
  3. 4 u - 60 = 260
  4. 260 = 4 u - 60