Question
Find the value of 1 unit.
  1. 5 u + 100 = 400
  2. 100 + 5 u = 400
  3. 8 u - 100 = 380
  4. 380 = 8 u - 100
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 + 100 = 400
  2. 100 + 5 u = 400
  3. 8 u - 100 = 380
  4. 380 = 8 u - 100