Question
Find the value of 1 unit.
  1. 6 u + 100 = 280
  2. 100 + 6 u = 280
  3. 7 u - 70 = 350
  4. 350 = 7 u - 70
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 + 100 = 280
  2. 100 + 6 u = 280
  3. 7 u - 70 = 350
  4. 350 = 7 u - 70