Question
Find the value of 1 unit.
  1. 6 u + 90 = 330
  2. 90 + 6 u = 330
  3. 3 u - 60 = 240
  4. 240 = 3 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. 6 u + 90 = 330
  2. 90 + 6 u = 330
  3. 3 u - 60 = 240
  4. 240 = 3 u - 60