Question
Find the value of 1 unit.
  1. 6 u + 50 = 170
  2. 50 + 6 u = 170
  3. 9 u - 100 = 710
  4. 710 = 9 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. 6 u + 50 = 170
  2. 50 + 6 u = 170
  3. 9 u - 100 = 710
  4. 710 = 9 u - 100