Question
Find the value of 1 unit.
  1. 3 u + 20 = 290
  2. 20 + 3 u = 290
  3. 3 u - 10 = 290
  4. 290 = 3 u - 10
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. 3 u + 20 = 290
  2. 20 + 3 u = 290
  3. 3 u - 10 = 290
  4. 290 = 3 u - 10