Question
Find the value of 1 unit.
  1. 5 u + 70 = 270
  2. 70 + 5 u = 270
  3. 3 u - 30 = 150
  4. 150 = 3 u - 30
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 + 70 = 270
  2. 70 + 5 u = 270
  3. 3 u - 30 = 150
  4. 150 = 3 u - 30