Question
Find the value of 1 unit.
  1. 9 u + 50 = 770
  2. 50 + 9 u = 770
  3. 5 u - 100 = 350
  4. 350 = 5 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. 9 u + 50 = 770
  2. 50 + 9 u = 770
  3. 5 u - 100 = 350
  4. 350 = 5 u - 100